CN201892727U - Tester for control mechanism of reciprocal-energy-feed double-straight-line induction motor - Google Patents

Tester for control mechanism of reciprocal-energy-feed double-straight-line induction motor Download PDF

Info

Publication number
CN201892727U
CN201892727U CN2010205054325U CN201020505432U CN201892727U CN 201892727 U CN201892727 U CN 201892727U CN 2010205054325 U CN2010205054325 U CN 2010205054325U CN 201020505432 U CN201020505432 U CN 201020505432U CN 201892727 U CN201892727 U CN 201892727U
Authority
CN
China
Prior art keywords
lim
inverter
inv
line inductance
inductance electromotor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010205054325U
Other languages
Chinese (zh)
Inventor
刘爱民
张红奎
李永祥
杨光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenyang University of Technology
Original Assignee
Shenyang University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenyang University of Technology filed Critical Shenyang University of Technology
Priority to CN2010205054325U priority Critical patent/CN201892727U/en
Application granted granted Critical
Publication of CN201892727U publication Critical patent/CN201892727U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Control Of Ac Motors In General (AREA)

Abstract

The utility model relates to a tester for a control mechanism of a reciprocal-energy-feed double-straight-line induction motor, belonging to the technical field of the control mechanism of the motor. The tester comprises a first straight line induction motor (LIM-1), a second straight line induction motor (LIM-2), a control unit, an inversion unit and a communication unit, wherein the control unit comprises a DSP (digital signal processor) control plate, an IGBT (insulated gate bipolar translator) drive plate, a voltage sensor, a current sensor and a velocity sensor; the inversion unit comprises a four-quadrant converter (REC), a first inverter (INV-1), a second inverter (INV-2), a first capacitor (C1) and a second capacitor (C2); and the communication unit comprise an upper computer and a drive chip. The tester has the advantages that the thrust magnitude of a power generator is changed, so as to achieve the purpose of simulating the switch-on and switch-off characteristics of a breaker when load varies; and the tester also realizes reciprocal energy feed and completes energy feedback, thereby being more energy-saving.

Description

Energy mutual feedback formula bilinear induction motor operating mechanism test unit
Technical field:
The utility model belongs to the electric operating mechanism technical field, particularly a kind of energy mutual feedback formula bilinear induction motor operating mechanism test unit.
Background technology:
Isolating switch mainly is the insulated tension pole motion that drives arc-chutes by motor secondary motion drive link mechanism with the line inductance electromotor operating mechanism, realizes the breaking-closing operating of isolating switch.Because normal operation of circuit breaker voltage is under tens kilovolts even higher voltage environment, the experiment whether conventional its operating mechanism performance of checking satisfies the isolating switch requirement can only be carried out under idle condition.And some gap of divide-shut brake curve under isolating switch load time-division combined floodgate curve and the idle condition, conventional test unit can not well be verified the rationality and the validity of line inductance electromotor operating mechanism design.In addition, device does not have the energy back function, causes the waste of energy.
Summary of the invention:
In order to overcome the deficiencies in the prior art, the utility model provides a kind of energy mutual feedback formula bilinear induction motor operating mechanism test unit, first line inductance electromotor (LIM-1) drives second line inductance electromotor (LIM-2) action, mimic-disconnecting switch breaking-closing operating as operating mechanism on the one hand; Second line inductance electromotor (LIM-2) feeds back to electrical network as the electricity that generator will send on the other hand, reaches the purpose that energy circulation is utilized.
This device comprises first line inductance electromotor (LIM-1), second line inductance electromotor (LIM-2), control module, inversion unit and communication unit;
Control module comprises DSP control panel, IGBT drive plate, voltage sensor, current sensor and speed pickup;
Inversion unit comprises four quadrant convertor (REC), first inverter (INV-1), second inverter (INV-2), first electric capacity (C1) and second electric capacity (C2);
Communication unit comprises host computer and chip for driving;
The connection of this device: first line inductance electromotor (LIM-1) and second line inductance electromotor (LIM-2) are linked together by coupling spindle, form the bilinear induction motor, the shared secondary reaction plate of first line inductance electromotor (LIM-1) and second line inductance electromotor (LIM-2), constituted the core of test unit, speed pickup is installed on the coupling spindle, and the output terminal of speed pickup is received the input pin of DSP control panel; Line voltage is received the input end of four quadrant convertor (REC), three-phase alternating current is rectified into direct current, the output terminal of four quadrant convertor (REC) inserts first inverter (INV-1) input end through first electric capacity (C1), first inverter (INV-1) converts direct current to primary coil winding that alternating current inserts first line inductance electromotor (LIM-1), the alternating current that second line inductance electromotor (LIM-2) sends is imported second inverter (INV-2) and is rectified into direct current and feeds back to DC side through second electric capacity (C2), supplies with first inverter (INV-1) and first line inductance electromotor (LIM-1) uses or feed back to electrical network; The input end of voltage sensor and current sensor all is connected to the signal outgoing side of four quadrant convertor (REC), first inverter (INV-1) and second inverter (INV-2), and output terminal all is connected to the input pin of dsp chip; The input end of IGBT drive plate all links to each other with dsp chip pwm signal output pin, and output terminal is connected to the signal input end of four quadrant convertor (REC), first inverter (INV-1) and second inverter (INV-2); The communication interface of dsp chip is connected to host computer by the chip for driving of special use.
Described first line inductance electromotor (LIM-1) and second line inductance electromotor (LIM-2) are the single-sided linear induction machine.
The course of work of this test unit is as follows: four quadrant convertor (REC) is rectified into direct current with the electrical network three-phase alternating current, the DSP control panel is controlled first inverter (INV-1), first line inductance electromotor (LIM-1) that three-phase alternating current supplies with at motoring condition that will meet the requirements and is used, and second line inductance electromotor (LIM-2) that first line inductance electromotor (LIM-1) action drives shaft coupling moves together; The DSP control panel is suitably controlled second inverter (INV-2), making the elementary stator frequency of second line inductance electromotor (LIM-2) be lower than speed in frequency moves at generating state, the three-phase alternating current that sends is rectified into direct current through second inverter (INV-2), feed back to DC side and supply with first line inductance electromotor (LIM-1) again and move or feed back to electrical network, make energy be fully used.By adjusting the slip frequency of second line inductance electromotor (LIM-2), change the size of generator thrust, thus the purpose of divide-shut brake characteristic when reaching the mimic-disconnecting switch load variations.The DSP control panel is handled electric moter voltage, current of electric and the motor velocity signal of voltage sensor, current sensor and speed pickup collection, data after handling are sent on the host computer, test unit information is shown, host computer is analyzed information simultaneously, and next step action message of test unit is passed to the DSP control panel.
The distinguishing feature of energy mutual feedback formula bilinear induction motor mechanism test unit is an energy mutual feedback, the input electric power P of first line inductance electromotor (LIM-1) In1Connect axle head output mechanical power P through being delivered to after a series of losses Out1, because the connection of two motor coaxles, so P Out1=P Out2, realized the transmission of energy from first line inductance electromotor (LIM-1) to second line inductance electromotor (LIM-2), and P Out2Flow back into the common DC bus side through after a series of losses again, finished the energy feedback.Make P SWBe the switching loss summation of current transformer, P MWBe the loss summation of two motors, energy loss P S=P SW+ P MW, i.e. the energy of electrical network input just is used for overcoming the switching loss of current transformer and the loss of two motors.Common P SWAnd P MWBe worth all very for a short time, promptly only need absorb the test mission that seldom energy just can be finished high-power grade, so this device have energy-conservation function from electrical network.
Advantage of the present utility model: one, by adjusting the slip frequency of second line inductance electromotor (LIM-2), change the size of generator thrust, thus the purpose of divide-shut brake characteristic during the mimic-disconnecting switch load variations; Two, this device is by the transmission of energy from first line inductance electromotor (LIM-1) to second line inductance electromotor (LIM-2), realized energy mutual feedback, the input electric power of first line inductance electromotor is delivered to connection axle head output mechanical power and flow back into the common DC bus side through after a series of losses again simultaneously, has finished the energy feedback.The energy of electrical network input just is used for overcoming the switching loss of current transformer and the loss of two motors, only need just can finish the task of high-power grade from electrical network absorption energy seldom, and is more energy-conservation.
Description of drawings:
Fig. 1 is the overall construction drawing of the utility model energy mutual feedback formula bilinear induction motor operating mechanism test unit;
Fig. 2 is the utility model energy mutual feedback formula bilinear induction motor structural representation;
Fig. 3 presents the energy Flow graph of a relation of test unit mutually for the utility model;
Fig. 4 is the utility model IGBT drive plate circuit diagram;
Fig. 5 is the utility model RS-232 and TMS320LF2407A hardware connection layout;
Embodiment:
The utility model energy mutual feedback formula bilinear induction motor operating mechanism test unit is illustrated with accompanying drawing in conjunction with the embodiments.
To choose model be TMS320LF2407A to dsp chip in the present embodiment, it is VLA517-01R that the acp chip of IGBT drive plate is chosen model, it is WIN-9E that four quadrant convertor is chosen model, it is 6SE70 that inverter is chosen model, it is HV25-P that voltage sensor is chosen model, it is CHF600-B that current sensor is chosen model, and it is SK-F-K that speed pickup is chosen model, and DSP and host computer carry out the communication transmission by the chip for driving SP3223EEY that meets rs-232 standard;
This equipments overall structure comprises first line inductance electromotor (LIM-1), second line inductance electromotor (LIM-2), control module, inversion unit and communication unit as shown in Figure 1;
Control module comprises DSP control panel, IGBT drive plate, voltage sensor, current sensor and speed pickup;
Inversion unit comprises four quadrant convertor (REC), first inverter (INV-1), second inverter (INV-2), first electric capacity (C1) and second electric capacity (C2);
Communication unit comprises host computer and chip for driving;
The connection of this device: first line inductance electromotor (LIM-1) and second line inductance electromotor (LIM-2) are linked together by coupling spindle, form the bilinear induction motor, the shared secondary reaction plate of first line inductance electromotor (LIM-1) and second line inductance electromotor (LIM-2) has constituted the core of control device as shown in Figure 2.Speed pickup (SK-F-K) is fixed on the main shaft of bilinear induction motor, the output speed signal of speed pickup receive dsp chip mould number converter ADC pin; Line voltage inserts the input end of four quadrant convertor (REC), three-phase alternating current is rectified into direct current, the output terminal of four quadrant convertor (REC) inserts first inverter (INV-1) input end through first electric capacity (C1), first inverter (INV-1) converts direct current to satisfy the test unit requirement alternating current and inserts first line inductance electromotor (LIM-1) primary coil winding, the alternating current that second line inductance electromotor (LIM-2) sends is imported second inverter (INV-2) and is rectified into direct current and feeds back to DC side through second electric capacity (C2), supplies with first inverter (INV-1) and first line inductance electromotor (LIM-1) uses or feed back to electrical network; The input end of voltage sensor and current sensor all is connected to the status signal outgoing side of four quadrant convertor (REC), first inverter (INV-1) and second inverter (INV-2), voltage sensor and current sensor output terminal all be connected to dsp chip mould number converter ADC pin; On the PWM output pin of the task manager A of the input end connection dsp chip of IGBT drive plate, receive the signal input end of four quadrant convertor (REC), first inverter (INV-1) and second inverter (INV-2) after the output signal; The communication interface SCI-TXD of dsp chip, SCI-RXD are connected to the T of chip for driving SP3223E 1IN I and R 1On the OUT, the T of SP3223E 1OUTI and R 1IN links to each other as shown in Figure 5 with 2,3 pins of RS232, and the opposite side of RS-232 links to each other with host computer.
Described first line inductance electromotor (LIM-1) and second line inductance electromotor (LIM-2) are the single-sided linear induction machine.
The course of work of this device is as follows: four quadrant convertor (REC) is rectified into direct current with the electrical network three-phase alternating current, the DSP control panel is controlled first inverter (INV-1) the three-phase alternating current supply of Pass Test matching requirements is moved at first line inductance electromotor (LIM-1) of motoring condition, and second line inductance electromotor (LIM-2) that first line inductance electromotor (LIM-1) action drives shaft coupling moves together; The DSP control panel is suitably controlled second inverter (INV-2), making the elementary stator frequency of second line inductance electromotor (LIM-2) be lower than speed in frequency moves at generating state, the three-phase alternating current that sends is rectified into direct current through second inverter (INV-2), feed back to that DC side is supplied with first inverter (INV-1) again and first line inductance electromotor (LIM-1) uses or feed back to electrical network, make energy be fully used.By adjusting the slip frequency of second line inductance electromotor (LIM-2), change the size of generator thrust, thus the purpose of divide-shut brake characteristic during the mimic-disconnecting switch load variations.The DSP control panel is handled electric moter voltage, electric current and the rate signal of voltage, electric current and speed pickup collection, data after handling are sent to host computer, test unit information is shown, host computer is analyzed information simultaneously, and next step action message of test unit is passed to the DSP control panel
The distinguishing feature of energy mutual feedback formula bilinear induction motor mechanism test unit is an energy mutual feedback, and promptly energy can be realized feedback mutually in the inside of " two inverter one motor ", and can also feed back to electrical network by four quadrant convertor.Its energy-saving principle as shown in Figure 3, P wherein sBe the electrical network power input; P R, P 11, P 12Be respectively the switching loss of four quadrant convertor REC, inverter INV-1 and inverter INV-2, P In1, P Em1And P Out1Be respectively input electric power, electromagnetic power and the output mechanical power of linear electric motors LIM-1; P In2, P Em2And P Out2Be respectively the electromotive power output of linear electric motors LIM-2, electromagnetic power and input mechanical output; P Fe1, P Fe2Be respectively the core loss of linear electric motors LIM-1 and LIM-2; P Cu11And P Cu12Be respectively the elementary stator copper loss of linear electric motors LIM-1, LIM-2; P Cu21And P Cu22Be respectively the secondary rotor copper loss of linear electric motors LIM-1 and LIM-2; P Z1And P Z2Be respectively mechanical loss and the added losses sum of linear electric motors LIM-1 and LIM-2.The input electric power P of Fig. 4 cathetus motor LIM-1 In1Connect axle head output mechanical power P through being delivered to after a series of losses Out1, because the connection of two motor coaxles, so P Out1=P Out2, realized the transmission of energy from LIM-1 to LIM-2, and P Out2Flow back into the common DC bus side through after a series of losses again, finished the energy feedback.Make P SW=P R+ P 11+ P 12, P MW=P In1-P In2As can be seen from the figure, P SWBe the switching loss summation of current transformer, P MWBe the loss summation of two motors, and P is arranged S=P SW+ P MW, i.e. the energy of electrical network input just is used for overcoming the switching loss of current transformer and the loss of two motors.Common P SWAnd P MWTherefore only be worth all very for a short time, need absorb the test mission that seldom energy just can be finished high-power grade from electrical network, this device has energy-conservation function.

Claims (2)

1. energy mutual feedback formula bilinear induction motor operating mechanism test unit, it is characterized in that: this device comprises first line inductance electromotor (LIM-1), second line inductance electromotor (LIM-2), control module, inversion unit and communication unit; Control module comprises DSP control panel, IGBT drive plate, voltage sensor, current sensor and speed pickup;
Inversion unit comprises four quadrant convertor (REC), first inverter (INV-1), second inverter (INV-2), first electric capacity (C1) and second electric capacity (C2);
Communication unit comprises host computer and chip for driving;
The connection of this device: first line inductance electromotor (LIM-1) and second line inductance electromotor (LIM-2) are linked together by coupling spindle, and speed pickup is installed on the coupling spindle, and the output signal of speed pickup connects the input pin of DSP control panel; Line voltage inserts the input end of four quadrant convertor (REC), the output terminal of four quadrant convertor (REC) inserts first inverter (INV-1) input end through first electric capacity (C1), first inverter (INV-1) converts direct current to primary coil winding that alternating current inserts first line inductance electromotor (LIM-1), the alternating current that second line inductance electromotor (LIM-2) sends is imported second inverter (INV-2) and is rectified into direct current and feeds back to DC side through second electric capacity (C2), the input end of voltage sensor and current sensor all is connected to four quadrant convertor (REC), the outgoing side of first inverter (INV-1) and second inverter (INV-2), output terminal all is connected to the input pin of dsp chip; The input end of IGBT drive plate all links to each other with dsp chip pwm signal output pin, and output terminal is connected to the signal input end of four quadrant convertor (REC), first inverter (INV-1) and second inverter (INV-2); The communication interface of dsp chip is connected to host computer by chip for driving.
2. energy mutual feedback formula bilinear induction motor operating mechanism test unit according to claim 1 is characterized in that described first line inductance electromotor (LIM-1) and second line inductance electromotor (LIM-2) are the single-sided linear induction machine.
CN2010205054325U 2010-08-26 2010-08-26 Tester for control mechanism of reciprocal-energy-feed double-straight-line induction motor Expired - Fee Related CN201892727U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205054325U CN201892727U (en) 2010-08-26 2010-08-26 Tester for control mechanism of reciprocal-energy-feed double-straight-line induction motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205054325U CN201892727U (en) 2010-08-26 2010-08-26 Tester for control mechanism of reciprocal-energy-feed double-straight-line induction motor

Publications (1)

Publication Number Publication Date
CN201892727U true CN201892727U (en) 2011-07-06

Family

ID=44222199

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010205054325U Expired - Fee Related CN201892727U (en) 2010-08-26 2010-08-26 Tester for control mechanism of reciprocal-energy-feed double-straight-line induction motor

Country Status (1)

Country Link
CN (1) CN201892727U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102004221A (en) * 2010-08-26 2011-04-06 沈阳工业大学 Reciprocal energy feeding test device for actuating mechanism of dual linear induction motors
CN102957162A (en) * 2011-08-18 2013-03-06 大连互联天下科技发展有限公司 Control system for active power feedback energy saving device
CN103398845A (en) * 2013-08-13 2013-11-20 上海索达传动机械有限公司 Durability experiment device
CN106772046A (en) * 2016-12-30 2017-05-31 贵州大学 A kind of motor test complex under self-defined electric circumstance
US11596968B2 (en) 2017-02-24 2023-03-07 Dürr Systems Ag Applicator and application method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102004221A (en) * 2010-08-26 2011-04-06 沈阳工业大学 Reciprocal energy feeding test device for actuating mechanism of dual linear induction motors
CN102957162A (en) * 2011-08-18 2013-03-06 大连互联天下科技发展有限公司 Control system for active power feedback energy saving device
CN103398845A (en) * 2013-08-13 2013-11-20 上海索达传动机械有限公司 Durability experiment device
CN106772046A (en) * 2016-12-30 2017-05-31 贵州大学 A kind of motor test complex under self-defined electric circumstance
CN106772046B (en) * 2016-12-30 2023-02-24 贵州大学 Motor comprehensive test equipment under self-defined electrical environment
US11596968B2 (en) 2017-02-24 2023-03-07 Dürr Systems Ag Applicator and application method

Similar Documents

Publication Publication Date Title
CN201892727U (en) Tester for control mechanism of reciprocal-energy-feed double-straight-line induction motor
CN102447265B (en) Loading device and method for power unit with feedback function
CN102308471B (en) Drive system, method for operating a drive system, and use thereof
WO2016011656A1 (en) Drive and charging integrated control method for electric vehicle, and electric vehicle using same
CN101447745B (en) Two-source series inverter
CN101708799B (en) Lift drive electrical device
CN111555652A (en) High-power-density converter and structure based on silicon carbide MOSFET module
CN201548626U (en) Electric transmission test device for AC-DC-AC traction converter
CN103368410A (en) Traction converter
CN202798567U (en) Single power six-phase motor drive system
CN202602592U (en) Hybrid excitation starting/generating integrated motor power converter for vehicle
CN201580862U (en) Elevator driving electrical device
CN104466995A (en) Energy conversion device
CN102004221A (en) Reciprocal energy feeding test device for actuating mechanism of dual linear induction motors
CN202940761U (en) Six-phase motor driving system
CN201390606Y (en) Vehicle-mounted transfer device for rubber-tyred container gantry crane
CN201039081Y (en) Frequency conversion speed regulation circuit of mining hoister
CN201018454Y (en) Variable frequency speed regulator for mining capable of implementing soft switch
CN204578377U (en) A kind of cascade-mixing transformation apparatus in parallel
CN201039018Y (en) Energy feedback type high-voltage frequency converter
CN203840209U (en) Elevator frequency converter based on matrix frequency conversion technology
CN202713168U (en) Frequency converter used in elevator
CN111347942B (en) Traction power supply network and traction power supply system
CN201716402U (en) Full-power performance testing system of motor or power generator with no loading machine or drive
CN201901408U (en) Frequency-converting speed-regulation energy-conversation device of belt conveyer

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110706

Termination date: 20130826