Three phase asynchronous motorWiring diagram

Many electricians don’t knowMotorofthree-phaseFor the electrical wiring mode, we will use the most conventionalThree phase asynchronous motorThe wiring method will be explained to you,MotorHow to connectthree-phaseElectricity.
2021-01-20 11:24:11one thousand five hundred and fifty

,

Three phase asynchronous motorCommon fault maintenance and protection functions

Three phase asynchronous motorIt is a key component in the production equipment of an enterprise. Once it fails, it will greatly affect the normal production of the enterprise and bring losses to the enterprise. In view of this, this paper aims atThree phase asynchronous motorFor the common faults occurred in the operation process, corresponding maintenance methods are put forward. At the same time, in order to improve the economic benefits of the enterprise, theThree phase asynchronous motorThe relevant energy-saving methods are studied.
2022-01-06 08:28:49five hundred and sixty-one

,

three-phasecommunicationasynchronous motorRealization and application of variable frequency speed regulation

three-phasecommunicationasynchronous motorRealization and application of variable frequency speed regulation (what is the level of communication power supply technology) – abstract with the continuous development of industry,Three phase asynchronous motorThe demand will be greater and greater,Three phase asynchronous motorIs more and more widely used,Three phase asynchronous motorIs a very large and complex operating system
2021-09-17 11:22:11four

,

Three phase asynchronous motorFault cause and protection device of

In combination with the actual situationasynchronous motorThe protection device is studied. First yesThree phase asynchronous motorSecondly, on the basis of analyzing the influencing factorsThree phase asynchronous motorDiscussion on the contents of the protection device. Hope that after the discussion, the relevantworkPeople to help.
2021-09-01 08:57:04four hundred and ninety

,

Three phase asynchronous motorMechanical properties of

Three phase asynchronous motorThe mechanical properties of areMotorThe relationship between the rotational speed and the electromagnetic torque due toMotorThere is a certain relationship between the speed of and the slip rate,asynchronous motorThe mechanical properties of are usually expressed as s=f (TEM).Three phase asynchronous motorThe mechanical characteristics of are divided into inherent mechanical characteristics and
2021-08-03 14:27:27three thousand nine hundred and sixty-six

,

sketchThree phase asynchronous motorofworkprinciple

Conveyor belt, casting machinery, ventilator and water pump with small power, etc.      Three phase asynchronous motorofworkprincipleThree phase asynchronous motorofworkThe principle is based on the principle of electromagnetic inductionworkWhen the stator winding passes throughthree-phaseSymmetrical alternating current generates a rotating magnetic field between the stator and the rotor, which cuts the rotor
2021-08-03 11:04:44fifteen thousand three hundred and forty-one

,

Three phase asynchronous motorAnd its control circuit

Three phase asynchronous motorAnd control line data download.
2021-06-15 15:37:02twenty-three

,

Three phase asynchronous motorStructure and principle analysis of

According to different forms of rotor winding, weThree phase asynchronous motorDivided into squirrel cage typeThree phase asynchronous motorAnd winding lineThree phase asynchronous motor
2021-04-10 11:43:23eight thousand one hundred and four

,

Three phase asynchronous motorWhat causes the large no-load current

Three phase asynchronous motorThere are many reasons for large no-load current. It can be determined by inspection and measurement.
2021-03-27 09:55:07two thousand two hundred and thirty-one

,

singleAsynchronous motorandThree phase asynchronous motorHow is the maintenance of different?

singleAsynchronous motorIt refers to those with only single-phase stator winding and powered by single-phase AC power supplyasynchronous motor, it’s a squirrel cageThree phase asynchronous motorIts structure is similar to that of the squirrel cage typeThree phase asynchronous motorBasically the same, the rotor is also a squirrel cage type.
2021-02-05 06:13:27fourteen

,

Three phase asynchronous motorPrinciple and structure

Three phase asynchronous motorIt is the equipment that electricians often contact. This article introduces it in the form of pictures and textsThree phase asynchronous motorPrinciple andThree phase asynchronous motorStructure is a must read article for electricians.
2021-01-28 06:09:19sixteen

,

Three phase asynchronous motorBasic control of the learning courseware for free download

The main content of this document describes in detailThree phase asynchronous motorThe free download of the basic control courseware includes: Task 1 startup control, activity 1 electrical control circuit schematic diagram, activity 2 direct startup control circuit, task 2Forward and reverseControl circuit, activity-1 contactor interlocking, activity-2 double interlocking
2020-10-22 16:49:54twelve

,

Three phase asynchronous motorStructure diagram and principle description

MotorCommunicate according to different working principlesMotorCan be divided into synchronizationMotorandasynchronous motor。 By powermutuallyDifferences in numbers, communicationMotorIt can also be divided into single phaseMotorandthree-phaseMotorTwo categories. Let’s introduceThree phase asynchronous motorThe construction principle of (stator and rotor constitute some).
2020-09-30 17:21:24eight thousand one hundred and fifty-four

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Example description frequency conversionThree phase asynchronous motorAnd commonThree phase asynchronous motorDifferent

frequency conversionThree phase asynchronous motorDifferent from ordinaryThree phase asynchronous motorDo you? frequency conversionThree phase asynchronous motorIt’s a squirrel cageThree phase asynchronous motorA machine with frequency conversion function. Also known as variable frequency motorMotor, then frequency conversionThree phase asynchronous motorAnd commonThree phase asynchronous motorWhat’s the difference
2020-09-25 11:54:03four thousand seven hundred and thirty-five

,

Three phase asynchronous motorDiscrimination method of stator winding

Three phase asynchronous motorThe head and tail end of stator winding shall be identified by using multimeter inspection method and low-voltage AC power supply method for rapid judgmentThree phase asynchronous motorThe head and tail ends of the stator winding need the reference of friends.
2020-08-14 16:02:03one thousand nine hundred and thirty-two

,

Three phase asynchronous motorCauses and Countermeasures of winding burnout

Three phase asynchronous motoronemutuallyOr twomutuallyCauses and Countermeasures of winding burnout (or overheating):
2020-04-01 16:31:28two thousand seven hundred and twenty-eight

,

Three phase asynchronous motorlackmutuallyWhat are the factors of operation

Three phase asynchronous motorlackmutuallyThe elements of operation are as follows: (1) star connection and disconnectionmutuallyPower supply [see figure (a)].
2020-03-19 16:31:03one thousand six hundred and one

,

Three phase asynchronous motorInstallation steps_Three phase asynchronous motorFault inspection method

This article mainly describesThree phase asynchronous motorInstallation steps andThree phase asynchronous motorFault inspection method.
2020-03-16 09:37:33eight thousand eight hundred and thirty-eight

,

Three phase asynchronous motorWhat is the reason for the slow speed_Three phase asynchronous motorWhat is the speed

This paper first describesThree phase asynchronous motorThe reasons for the slow speed are also introducedThree phase asynchronous motorSpeed.
2020-03-16 09:24:10nine thousand and fifty-eight

,

Three phase asynchronous motorSpeed formula_Three phase asynchronous motorWhat is the speed related to

This paper first introducesThree phase asynchronous motorSpeed formula, and thenThree phase asynchronous motorWhat does the rotation speed have to do with? Finally, theThree phase asynchronous motorRelationship between speed and frequency.
2020-03-16 09:16:07twenty-five thousand five hundred and twenty-one

,

Three phase asynchronous motorMaintenance_Three phase asynchronous motorRated current calculation

This article mainly describesThree phase asynchronous motorMaintenance andThree phase asynchronous motorCalculation method of rated current.
2020-03-16 09:09:57one thousand six hundred and forty

,

Three phase asynchronous motorClassification of_Three phase asynchronous motorparameter

This paper first introducesThree phase asynchronous motorSecondly, it introducesThree phase asynchronous motorParameters, and finallyThree phase asynchronous motorinthree-phaseMeans.
2020-03-16 09:02:00fourteen thousand and ninety-five

,

Three phase asynchronous motorSix classification methods of

And singleAsynchronous motorBy contrast,Three phase asynchronous motorThe operation function is good, and various data can be saved. According to different rotor structures,Three phase asynchronous motorIt can be divided into cage type and winding type. Cage rotorAsynchronous motorSimple arrangement, reliable operation, light weight and low Quotation have been widely used
2020-03-11 14:57:40nine thousand five hundred and ninety-one

,

Three phase asynchronous motorbreakmutuallyRunning burnMotorReason for

Three phase asynchronous motorAt breakmutuallyOperation under normal conditions (commonly known as single-phase) will causeMotorStator winding burnout accident.
2020-01-03 16:30:30three thousand nine hundred and eighty

,

singleAsynchronous motorForward and reverseCircuit diagram

This article mainly describes the singleAsynchronous motorForward and reverseCircuit diagram.
2019-12-19 09:11:52thirteen thousand and sixty-eight

,

Three phase asynchronous motorJudgment method of whether stator winding is burnt out

small-scaleThree phase asynchronous motorA simple method to judge whether the stator winding is burnt out.
2019-11-01 15:54:24five thousand eight hundred and four

,

singleAsynchronous motorCharacteristics and application of

singleAsynchronous motorThe utility model has the advantages of simple structure, low cost, convenient maintenance, etc., and is widely used in household appliances and medical devices such as refrigerators, fans, washing machines, etc. But with the same capacityThree phase asynchronous motorCompare, singleAsynchronous motorThe utility model has the advantages of large volume, poor operation performance and low efficiency.
2019-10-24 10:26:56three thousand seven hundred and thirty-four

,

Three phase asynchronous motorForward and reverseControl circuit diagram

Three phase asynchronous motorForward and reverseThe control circuit is shown in Figure 7.50. In the wiring of the main contacts of the two contactors KM1 and km2 of the main circuit, L1mutuallyAnd L3mutuallyThe main contacts of are connected reversely.MotorDuring forward rotation, it is controlled by contactor KM1 and connectedMotorPower supply of stator windingmutuallySequence is L1
2019-10-15 15:05:55fifty-one thousand five hundred and eight

,

With different parametersThree phase asynchronous motorHow is the model of

In fact, different parametersThree phase asynchronous motorIts model representation is different. For example, for common functionsasynchronous motorFor example, if the power is 550W, the number of poles is four, and the frame number is 80, thenThree phase asynchronous motorYe2-801-4-0.55kw. If the number of motor poles is changed to 6 and the power is changed to 750W, the model is ye2-90s-6-0.75kw.
2019-09-21 09:56:02six thousand three hundred and fifty-one

,

Three phase asynchronous motorMechanical characteristics and detailed information of electric drive

This chapter first discussesThree phase asynchronous motorAnd then based on the mechanical characteristics as the theoretical basis, analysis and researchThree phase asynchronous motorStarting, braking and speed regulation of. The main contents include: 1Three phase asynchronous motorMechanical properties of, 2Three phase asynchronous motorStart of, 3Three phase asynchronous motorBraking of, 4Three phase asynchronous motorSpeed regulation of
2019-07-06 15:59:22six

,

How to maintainThree phase asynchronous motor

Three phase asynchronous motorRegular maintenance is required to prolong the service life and improve the operation efficiency.
2019-02-21 08:50:09two thousand nine hundred and ninety-four

,

Three phase asynchronous motorapplication

Three phase asynchronous motorIt is a widely used electrical rotating tool. We often need to judge during the maintenance of electriciansthree-phaseMotorthree-phaseFor the head and tail ends of the winding, it is necessary to ensure that the head and tail ends are correctly wired becausethree-phaseIf the head and tail ends of the winding are wrongly connected, the current direction in the winding will be reversed, resulting in magnetomotive force
2018-12-21 13:41:32eleven thousand eight hundred and sixty-two

,

Three phase asynchronous motorForward and reverse

In Figure 1 yesThree phase asynchronous motorForward and reverseControl main circuit and relay control circuit diagram. Figure 2 and 3 are the external wiring diagram and ladder diagram of the PLC control system with the same function, in which KM1 and km2 respectively control forward rotation andreversalOperating AC contactor.
2018-12-21 13:46:21thirty thousand one hundred and five

,

Three phase asynchronous motorSpeed regulation mode

according toThree phase asynchronous motorSpeed formula: n=60f/p (1-s), we can knowThree phase asynchronous motorThe speed of is related to frequency f, polar pair P and slip ratio S. adjusting any of these parameters will change the speed. Fa157 reducerThree phase asynchronous motorSpeed regulation methods can be divided into variable frequency speed regulation, variable pole speed regulation and variable slip speed regulation.
2018-12-21 11:49:09sixty-seven thousand eight hundred and ninety-four

,

Three phase asynchronous motorCurrent calculation formula

Three phase asynchronousThe motor is inductiveMotorOne of them relies on simultaneous access to 380Vthree-phaseA class of AC current (phase difference 120 °) power supplyMotor, becauseThree phase asynchronous motorThe rotating magnetic field of the rotor and the stator rotates in the same direction and at different speeds, and there is slip, so it is calledThree phase asynchronous motor
2018-12-21 11:30:44forty-nine thousand eight hundred and fifty-three

,

Three phase asynchronous motorMechanical properties of

Three phase asynchronous motorMechanical characteristic curve ofThree phase asynchronous motorThe relationship between speed n and torque T of n=f (T) is calledMotorThe curve of the mechanical characteristics of is shown in the figure below.
2018-12-21 11:28:03fourteen thousand seven hundred and twenty-seven

,

One article understandingThree phase asynchronous motorClassification and nameplate parameters of

PressThree phase asynchronous motorThe rotor structure of can be divided into squirrel cage typeMotorAnd woundMotor。 PressThree phase asynchronous motorThe protection type of can be divided into open type (ip11)Three phase asynchronous motor. protectiveThree phase asynchronous motor(IP22 and IP23), closedThree phase asynchronous motor(IP44) explosion proofThree phase asynchronous motor
2018-11-21 11:20:58one thousand six hundred and eighty-seven

,

analysisThree phase asynchronous motorofworkPrinciple and Application

For hairmotivationWe may all know that there are DC generators and AC generatorsMotorIt appeared a long time ago, and the emergence of this kind of motor has greatly improved our industrialization process, andThree phase asynchronous motorAs communicationMotorBecause there are many
2018-11-21 11:00:26five thousand five hundred and twenty-seven

,

Brief descriptionThree phase asynchronous motorStructure of

Three phase asynchronous motorStator, this belongs toMotorIt is mainly composed of stator core, stator winding, base, etc. It is used to generate rotating magnetic field and fix the wholeMotor
2018-11-21 10:51:42five thousand one hundred and eighteen

,

answerThree phase asynchronous motorHow to wire

Three phase asynchronous motor, it belongs to inductionMotorOne of them relies on simultaneous access to 380Vthree-phaseA class of AC current (phase difference 120 °) power supplyMotorThree phase asynchronous motorofworkThe principle is based on the rotating magnetic field of the stator (inside the stator windingthree-phaseThe interaction between the resultant magnetic field generated by the current) and the rotor current (the current in the rotor winding).
2018-11-21 10:10:50ten thousand three hundred and seventy-four

,

Three phase asynchronous motorInching control and self-locking andForward and reverseOverview of interlock control experiment data

masterThree phase asynchronous motorForward and reverseTo deepen the understanding of various protection, self-locking, interlocking and other links of the electrical control system; 4. master contactor interlockingForward and reverseButton interlockingForward and reverseDifferent connection methods of control circuit, and be familiar with the differences in the operation process; 5. throughthree-phaseSquirrel cageasynchronous motor
2018-11-14 18:53:34nine

,

Three phase asynchronous motorofForward and reverseControl and adjustment

Wound typeThree phase asynchronous motorThe resistance can be connected in series in the rotor circuit for starting, which reduces the starting current. Generally, the starting rheostat is used for starting. During starting, all the resistors are connected in series into the rotor circuitMotorThe speed gradually increases, and the controller is used to cut off the starting resistance step by step. Finally, all the starting resistance is cut off from the rotor circuit.
2017-06-15 11:03:28ten thousand six hundred and forty-one

,

Three phase asynchronous motorofForward and reverseDetailed overview of control circuit connection diagram

This document detailsThree phase asynchronous motorofForward and reverseDetailed overview of control circuit connection diagram
2018-06-03 18:30:11twenty-seven

,

Three phase asynchronous motorStarting control circuit diagram of

Asynchronous motorY- △ depressurization start control of willThree phase asynchronous motorThe relay contactor control of y- △ step-down start is transformed into PLC control system
2018-05-28 15:55:40twelve thousand

,

Three phase asynchronous motorStarting control circuit diagram of

Asynchronous motorY- △ depressurization start control of willThree phase asynchronous motorThe relay contactor control of y- △ step-down start is transformed into PLC control system
2018-05-28 15:55:52twenty-six thousand six hundred and forty-one

,

Three phase asynchronous motorStartup mode

Three phase asynchronous motorIt is widely used in various industrial processes in a wide range of fields.Three phase asynchronous motorThe startup and shutdown of the power system will cause strong interference to the power grid, especially in the heavy load startup in the industrial field, which may sometimes pose a serious threat to the equipment. thereforeThree phase asynchronous motorThe start-up and shutdown of are more and more popular with relevant technicians
2017-10-24 11:16:03fifteen

,

low pressureThree phase asynchronous motorOperation protection of

low pressureThree phase asynchronous motorOperation protection of_ Jingang Chen
2017-01-02 14:16:270

,

Three phase asynchronous motorAnalysis and prevention of Bearing Overheating

Three phase asynchronous motorAnalysis and prevention of Bearing Overheating_ Zoujianhua
2017-01-02 14:28:410

,

Three phase asynchronous motorIntroduction to emergency restructuring

Three phase asynchronous motorIntroduction to emergency restructuring_ Wangyaoyu
2017-01-02 14:28:410

,

Cage typeThree phase asynchronous motorBrief analysis of noise fault

Cage typeThree phase asynchronous motorBrief analysis of noise fault_ Jingang Chen
2017-01-01 14:59:450

,

Method BThree phase asynchronous motorEfficiency test

Method BThree phase asynchronous motorEfficiency test_ Xuquan
2017-01-01 14:51:330

,

PLC controlThree phase asynchronous motorForward and reverseCircuit diagram and analysis

This article will introduceThree phase asynchronous motorForward and reverseAnd the external wiring diagram and ladder diagram of the PLC control system.
2016-09-28 11:43:37forty-one thousand and twenty-nine

,

Three phase asynchronous motor operationCharacteristic and parameter measurement experiment

Three phase asynchronous motor operationCharacteristics and parameter measurement experiments, interested parties can have a look.
2016-07-17 12:51:07ten

,

Three phase asynchronous motor operationPrinciples and diagrams

Three phase asynchronous motor operationPrinciples and diagrams, starting with automation
2016-06-03 13:14:48eleven

,

Three phase asynchronous motorPrinciple and development of variable frequency speed regulation

Three phase asynchronous motorThe principle and development of variable frequency speed regulation
2016-03-30 00:22:21eighteen

,

Three phase asynchronous motorSpace vector PWM control and simulation

Three phase asynchronous motorSpace vector PWM control and simulation.
2016-03-30 00:22:59seventeen

,

elementary analysisThree phase asynchronous motorSingle phase starting and single phase operation of

Description sheet of this articleAsynchronous motorNo starting torque for single winding,Three phase asynchronous motorSingle phase starting and breaking ofmutuallyCondition of (power offmutuallyOr burn outmutually)Andthree-phaseConnection of winding (Y connection or 0 connection);Three phase asynchronous motorHedanAsynchronous motorIt can operate in single phase, but it will causeMotorHeating and even burning
2011-02-21 10:29:42one hundred and forty-two

,

Three phase asynchronous motorCharacteristic analysis of electric drive system

Analysis of mastery of teaching objectivesThree phase asynchronous motorMechanical properties of; masterThree phase asynchronous motorVarious starting methods; masterThree phase asynchronous motorOperation status of feedback, reverse connection and energy consumption braking.
2010-11-27 15:44:32one thousand eight hundred and eighty-four

,

Three phase asynchronous motor operationPrinciple and structure diagram

  Three phase asynchronous motorThere are many kinds ofThree phase asynchronous motorThe basic structure of the is the same. They are both composed of two basic parts, the stator and the rotor. There is a certain air gap between the stator and the rotor. In addition, there are end caps
2010-08-10 11:41:52one hundred and ninety

,

DSPThree phase asynchronous motorTechnical scheme for on-line fault monitoring

DSPThree phase asynchronous motorSummary of on-line fault monitoring technical scheme: DSP has high-speed clock frequency and fast operation
2010-04-27 09:45:44one thousand and forty-seven

,

Three phase asynchronous motorIntroduction to seven speed regulation modes of

Three phase asynchronous motorIntroduction to seven speed regulation modes ofThree phase asynchronous motorThe speed formula is:
2010-04-14 10:55:21one thousand five hundred and thirty-six

,

Three phase asynchronous motorForward and reverseElectrical control circuit

Three phase asynchronous motorForward and reverseElectrical control circuit
2010-03-31 09:51:53fifteen thousand eight hundred and ninety-five

,

Three phase asynchronous motorElectric drive of

This chapter first discussesThree phase asynchronous motorAnd then based on the mechanical characteristics as the theoretical basis, analysis and researchThree phase asynchronous motorStarting, braking and speed regulation of. five point oneThree phase asynchronous motorMechanical properties of 5.2Three phase asynchronous
2010-02-25 17:52:46one hundred and seventy-eight

,

singleAsynchronous motorApplication of

3.1 singleAsynchronous motorApplication of 3.2 singleAsynchronous motorStructure of 3.3 singleAsynchronous motorofworkPrinciple 3.4 singleAsynchronous motorControl sheet of 3.5Asynchronous motor
2010-02-25 17:45:10two hundred and fourteen

,

Three phase asynchronous motorAnd its control circuit

Chapter 5Three phase asynchronous motorAnd its control circuit 5.1Three phase asynchronous motorElectrical equipment that realizes the mutual conversion of electrical energy and mechanical energy is collectively called motor. The electric machine uses the principle of electromagnetic induction to realize the mutual conversion of electric energy and mechanical energy. Handle machine
2010-02-14 10:03:55three hundred and forty-six

,

Three phase asynchronous motorInstallation of one-way operation control line

Three phase asynchronous motorInstallation of one-way operation control circuit: the circuit shall be fully connected and then powered on. After the circuit measurement is completed, the power supply shall be turned off and then the wire shall be removed. 1. Masterasynchronous motorControl lineworkPrinciple. 2. Learn to open AC contactor and button
2009-11-03 15:37:37ninety-seven

,

Three phase asynchronous motorStudy on mechanical characteristics

Three phase asynchronous motorResearch on mechanical characteristics: 1 Experiment purpose 1 Measured by experimental methodThree phase asynchronous motorMechanical properties under various conditions. 2. learning measurementThree phase asynchronous motorMechanical characteristics under various conditions
2009-07-02 07:48:40forty-eight

,

Three phase asynchronous motorParameter determination experiment of

Three phase asynchronous motorParameter determination experiment 1. Experiment purpose 1. Determined by no-load testThree phase asynchronous motorExcitation impedance, excitation resistance and excitation reactance parameters.
2009-05-17 10:39:38six thousand five hundred and eighty-eight

,

Three phase asynchronous motorWinding fault analysis and treatment

Three phase asynchronous motorWinding fault analysis and treatmentMotorAging, moisture, heat, erosion, invasion of foreign matters, impact of external forces
2009-04-10 16:52:19one thousand one hundred and seventy-seven

,

Power saving typeThree phase asynchronous motorbreakmutuallyprotection circuit

Power saving typeThree phase asynchronous motorbreakmutuallyprotection circuit
2009-02-17 20:06:10five hundred and ninety

,

Three phase asynchronous motorBrake control circuit

Three phase asynchronous motorBrake control circuit: production machinery pairasynchronous motorBraking requirements electromagnetic mechanical braking control circuit: power-off braking control circuit and power on braking control circuit electrical braking control circuit: reverse braking and DC energy consumption system
2008-12-11 18:09:44one hundred and fifty-eight

,

Three phase asynchronous motorBraking control of

Three phase asynchronous motorBraking control ofThree phase asynchronous motorFrom cutting off the power supply to completely stopping the rotation, it always takes a period of time due to inertia. However, in actual industrial production, many production machines have to
2008-12-08 18:29:57two thousand one hundred and sixty-six

,

What is singleAsynchronous motor

What is singleAsynchronous motorsingleAsynchronous motor(
2008-11-19 22:49:37two thousand and sixty-one

,

Three phase asynchronous motorElectric drive PPT for

Three phase asynchronous motorElectric drive 1 masterThree phase asynchronous motorMechanical characteristicthreeKinds of expressions (physical expression, parameter expression, practical expression); 2. masterThree phase asynchronous motorDifferent methods of starting, braking and speed regulation and
2008-11-19 22:22:25one hundred and seventy-eight

,

Three phase asynchronous motorPrinciple ppt

Three phase asynchronous motorThe principles of the three phase induction machines1 understandasynchronous motorStructure of. 2. understand the concept of rotating magnetic field, the characteristics and generation conditions of circular rotating magnetic potential, and understand the distribution and short-distance winding to eliminate high
2008-11-19 21:40:35four hundred and twelve

,

asynchronous motorofForward and reversecontrol

Three phase asynchronous motorBasic control of 1. Experimental purposes 1. Deepen the understanding of common control circuits; 2. Learningasynchronous motorStart stop controlForward and reverseControl circuit wiring, practice circuit operation; three
2008-11-03 17:06:51one hundred and seven

,

Three phase asynchronous motorY/ Δ Switching start andForward and reversecontrol

ExperimentThree phase asynchronous motorY/ Δ Switching start andForward and reverseControl at motorpositive and negativeWhen switching to or from the, it is possible thatMotorLarge capacity or improper operation
2008-09-29 14:07:05twenty thousand seven hundred and forty-two

,

three-phaseMotorForward and reversecontrol

experimentthree   three-phaseMotorForward and reverseControl experiment topic:three-phaseMotorForward and reverseControl. Design requirements: Y SeriesThree phase asynchronous motor, rated voltage 380V, rated power 10KW, rated speed 1440r/mi
2008-09-25 15:09:50two thousand seven hundred and eleven

,

ExperimentsThree phase asynchronous motor

ExperimentsThree phase asynchronous motor1、 Experiment purpose 1 Understand
2008-09-24 21:42:39one thousand and eighty

,

Three phase asynchronous motorStart and speed regulation of

Three phase asynchronous motorI. experiment purpose: 1. Get familiar with it through experimentasynchronous motorStarting equipment and starting method. 2. Familiar withasynchronous motorOriginal speed regulator
2008-09-24 14:18:32five thousand three hundred and sixteen

,

Three phase asynchronous motorpositive and negativeDirectional rotation control

Three phase asynchronous motorpositive and negativeDirectional rotation controlThree phase asynchronous motorpositive and negative
2008-09-23 08:15:55two thousand six hundred and fifty-four

,

Three phase asynchronous motorBraking of

Three phase asynchronous motorofreversalAnd braking
2008-09-01 23:39:31four thousand five hundred and thirteen

,

Three phase asynchronous motorStart of (start)

Three phase asynchronous motorStartup of Iasynchronous motorRequirements at startup 1MotorHave enough starting torque. 2. Under the premise of a certain starting torque, the smaller the starting current
2008-09-01 23:32:03two thousand four hundred and forty-one

,

Three phase asynchronous motorClassification of

PressThree phase asynchronous motorThe ventilation cooling mode of the can be divided into self cooling typeThree phase asynchronous motorSelf fan cooling typeThree phase asynchronous motorOther fan cooling typeThree phase asynchronous motorPipe ventilatedThree phase asynchronous motor
2008-09-01 23:21:54six hundred and ninety-seven

,

Commonly usedThree phase asynchronous motorRepair of

Commonly usedThree phase asynchronous motorThe repair contents include: commonThree phase asynchronous motorBasic knowledge of, commonly usedThree phase asynchronous motorAnalysis of common faultsThree phase asynchronous motorPartial repair of stator winding and rewinding repair of stator winding.
2008-08-23 16:33:27one hundred and ten

,

Three phase asynchronous motorCalculation formula

Three phase asynchronous motorThe calculation formula is shown in the following figure:
2008-08-13 19:19:51ten thousand six hundred and forty-five

,

Three phase asynchronous motor. ppt

Three phase asynchronous motor. ppt Three phase asynchronous motorThere are many kinds ofThree phase asynchronous motorThe basic structure of the stator and rotor is the same. They are both composed of two basic parts, the stator and the rotor, which have a certain
2007-12-26 22:59:40six hundred and eighty-seven

,

singleOperation of asynchronous motorprinciple

singleOperation of asynchronous motorPrinciple sheetAsynchronous motorStructurally related tothree-phaseCage shapeasynchronous motorSimilarly, the rotor winding is also a cage rotor. On the stator
2007-12-26 22:53:55ten

,

Three phase asynchronous motorY— Δ Automatic depressurization start control experiment

Three phase asynchronous motorY— Δ Automatic depressurization start control experiment 1. Experiment purpose
2007-12-26 22:28:57thirty-three thousand five hundred and ninety-four

,

Three phase asynchronous motorContactor interlockedForward and reverseControl experiment

Three phase asynchronous motorContactor interlockedForward and reverseControl experiment 1. Experiment purpose
2007-12-26 22:17:32thirty-four thousand seven hundred and thirty-two

,

Three phase asynchronous motorSelf locking control experiment of

Three phase asynchronous motorSelf locking control experiment 1. Experimental purpose
2007-12-26 22:15:25twenty-three thousand two hundred and eighty-five

,

Three phase asynchronous motorInching control experiment of

Three phase asynchronous motorInching control experiment 1. Experimental purpose
2007-12-26 22:13:00twenty-two thousand two hundred and eleven

,

Three phase asynchronous motorexperiment

Three phase asynchronous motorExperiment 1. Experiment purpose
2007-12-26 22:05:29six thousand nine hundred and eighty

,

Three phase asynchronous motorofworkPrinciple and structure

  Three phase asynchronous motorofworkPrinciple and structureThree phase asynchronous motor
2007-12-26 21:48:18eleven

,

Three phase asynchronous motorstructure

 Three phase asynchronous motorThere are many kinds ofThree phase asynchronous motorThe basic structure of the is the same. They are both composed of two basic parts, the stator and the rotor. There is a certain air gap between the stator and the rotor. In addition, there are end caps
2007-12-26 21:43:08six

,

Three phase asynchronous motorChange to single-phase operation circuit diagram

Three phase asynchronous motorChange to single-phase operation circuit diagram
2007-12-02 22:07:24three thousand three hundred and seventy

,

Three phase asynchronous motorSeven speed regulation modes of

Three phase asynchronous motorSeven speed regulation modes ofThree phase asynchronous motorThe speed formula is: n=60f/p (1-s). As can be seen from the above formula, change the power supply frequency fMotorThe pole pairs P and slip ratio s of both can change the speed too much
2007-10-13 12:02:21eight hundred and fifty-one

,

Three phase asynchronous motorDisassembly and assembly of

Three phase asynchronous motorI. key points of operation technology 1. Disassemblyasynchronous motor(1) DisassemblyMotorMust be removed beforeMotorAnd outside
2007-10-13 11:57:57seven hundred and thirty

,

Three phase asynchronous motorprinciple

Three phase asynchronous motorPrinciple directionthreeSymmetrical through the stator windingthreeAn alternating current generates a rotating magnetic field that rotates clockwise along the inner circular space of the stator and rotor at the synchronous speed n1.
2007-10-13 11:56:09three thousand one hundred and fifty-four

,

A power saving typeThree phase asynchronous motorbreakmutuallyProtector

A power saving typeThree phase asynchronous motorbreakmutuallyProtector
2007-10-13 11:40:08four hundred and eighty

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