CN205263208U

CN205263208U - Many function test platform

Info

Publication number: CN205263208U
Application number: CN201520768869.0U
Authority: CN
Inventors: 党怀东; 刘浩; 张亦龙; 王兴亮; 李晓明; 穆欣; 王有云; 朱奇先; 杨鹏
Original assignee: Tianshui Electric Drive Research Institute Co Ltd
Current assignee: Tianshui Electric Drive Research Institute Co Ltd
Priority date: 2015-09-30
Filing date: 2015-09-30
Publication date: 2016-05-25
Anticipated expiration: 2025-09-30

Abstract

The utility model relates to a many function test platform, including total incoming line breaker Q1, the inlet wire transformer T1 that take a percentage more, voltage selection contactor KM1~KM6, isolation transformer T2, the tenth isolation breaker Q10, the 20 isolation breaker Q20, the tenth contactor KM10, the 20 contactor KM20, the AFE rectifier, the tested module, the former limits of inlet wire transformer T1 of taking a percentage link to each other with the electric wire netting through total incoming line breaker Q1 more, the vice limits of inlet wire transformer T1 of taking a percentage connect gradually voltage selection contactor KM1~KM6 more, isolation breaker Q10, the tenth contactor KM10, isolation breaker Q10 concatenates isolation transformer T2 in proper order, the 20 isolation breaker Q20, the 20 contactor KM20, the tested module is established between AFE rectifier and the 20 contactor KM20, the utility model discloses a test platform designs in a flexible way, and the commonality is strong, can constitute different circuit forms and test the product of difference according to the experiment needs.

Description

A kind of multifunction test platform

Technical field

The utility model belongs to current transformer and electromechanical testing field, is specifically related to a kind of multifunction test platform.

Background technology

In the development process of novel current transformer, motor, or current transformer, motor are before dispatching from the factory, and must carry out performance test to it. Because the quality of performance is directly connected to normal use and the product quality of equipment; So prepare integrated test system, current transformer, motor technology index are examined and optimized, be the important tests detection that effectively ensures current transformer, motor product quality and performance, be to improve product reliability, ensure the important means of product quality.

At present, on market, there are some similarly to adopt the transmission test platform of current transformer-alternating current generator load feedback, have a wide range of applications in current transformer, motor manufacturer, but all come with some shortcomings, wherein test platform function singleness, all the test for specific products under a certain specific voltage, very flexible, applicability is not by force its total shortcoming.

Utility model content

The problems referred to above that exist in order to solve prior art, the utility model provides a kind of multifunction test platform.

The technical scheme that the utility model adopts is: a kind of multifunction test platform, comprise total input-wire circuit breaker Q 1, many taps inlet wire transformer T1, voltage is selected contactor KM1～KM6, isolating transformer T2, the tenth isolation circuit breakers Q10, the 20 isolation circuit breakers Q20, the tenth contactor KM10, the 20 contactor KM20, AFE rectifier, tested module, the former limit of described many taps inlet wire transformer T1 is connected with electrical network by total input-wire circuit breaker Q 1, the tap of many taps inlet wire transformer T1 secondary selects contactor KM1～KM6 to be connected with the end of incoming cables of the tenth contactor KM10 with isolation circuit breakers Q10 by voltage, isolation circuit breakers Q10 leading-out terminal serial connection isolating transformer T2, after the 20 isolation circuit breakers Q20, connect the end of incoming cables of the 20 contactor KM20, the leading-out terminal of the tenth contactor KM10 connects the AC of AFE rectifier, described tested module is located between the DC side of AFE rectifier and the leading-out terminal of the 20 contactor KM20.

Further, described tested module comprises photovoltaic DC-to-AC converter, and interchange, the DC side of described photovoltaic DC-to-AC converter are connected with the DC side of AFE rectifier with the leading-out terminal of contactor KM20 respectively.

Further, described tested module comprises tested inverter, accompanies examination inverter, motor one and motor two, described DC side of accompanying examination inverter, tested inverter is connected with AFE rectifier DC side respectively, the interchange outlet of described tested inverter connects motor two, described interchange outlet of accompanying examination inverter connects motor one, and motor one is coaxially connected by shaft coupling with the rotor of motor two.

Further, described tested module comprises tested frequency converter, accompanies examination inverter, motor one and motor two, described DC side of accompanying examination inverter is connected with AFE rectifier DC side, accompany the AC of examination inverter to connect motor one, the interchange inlet wire of described tested frequency converter is connected with the leading-out terminal of the 20 contactor KM20, the interchange outlet of tested frequency converter is connected with motor two, and motor one is coaxially connected by shaft coupling with the rotor of motor two.

Further, described many taps inlet wire transformer T1 secondary output voltage is respectively 3AC270V, 330V, 400V, 480V, 600V and 690V.

The beneficial effects of the utility model are: Testing Table Design is flexible, highly versatile, can, according to test needs, can form different circuit forms, the products such as three-phase four-quadrant frequency converter, inverter, AFE rectifier, photovoltaic DC-to-AC converter, motor are tested, electric pressure AC270V～the AC690V of test products, the scope of application is wide, and test platform adopts Active Front End AFE rectification, and it is sinusoidal wave exchanging input current, electrical network input side power factor reaches " 1 ", and electrical network " zero " is polluted.

Brief description of the drawings

Fig. 1 is a kind of multifunction test platform structure block diagram;

Fig. 2 is a kind of multifunction test platform the first embodiment schematic diagram;

Fig. 3 is a kind of multifunction test platform the second embodiment schematic diagram;

Fig. 4 is the third embodiment schematic diagram of a kind of multifunction test platform.

In figure: Q1, total input-wire breaker, T1, many taps inlet wire transformer, KM1～KM6, voltage are selected contactor, T2, isolating transformer, Q10, the tenth isolation circuit breakers, Q20, the 20 isolation circuit breakers, KM10, the tenth contactor, KM, the 20 contactor, 9, AFE rectifier, 10, accompany examination inverter, 11, motor one, 12, motor two, 13, tested photovoltaic DC-to-AC converter, 14, tested inverter, 15, tested frequency converter.

Detailed description of the invention

As shown in Figure 1, the utility model provides a kind of multi-function power test platform, comprise total input-wire circuit breaker Q 1, many taps inlet wire transformer T1, voltage is selected contactor KM1～KM6, isolating transformer T2, the tenth isolation circuit breakers Q10, the 20 isolation circuit breakers Q20, the tenth contactor KM10, the 20 contactor KM20, AFE rectifier 9, tested module, the former limit of many taps inlet wire transformer T1 is connected with electrical network by total input-wire circuit breaker Q 1, the tap of many taps inlet wire transformer T1 secondary selects contactor KM1～KM6 to be connected with the end of incoming cables of the tenth contactor KM10 with the tenth isolation circuit breakers Q10 by voltage, the tenth isolation circuit breakers Q10 leading-out terminal serial connection isolating transformer T2, after the 20 isolation circuit breakers Q20, connect the end of incoming cables of the 20 contactor KM20, the leading-out terminal of the tenth contactor KM10 connects the AC of AFE rectifier 9, described tested 1 is located between the DC side of AFE rectifier 9 and the leading-out terminal of the 20 contactor KM20.

Embodiment mono-

As shown in Figure 2, be used for testing photovoltaic DC-to-AC converter 13, test process is as follows: the tenth isolation circuit breakers Q10, the 20 isolation circuit breakers Q20 closes a floodgate, total input-wire circuit breaker Q 1 is closed a floodgate, many taps inlet wire transformer T1 obtains electric, select contactor KM1～KM6 adhesive according to voltage corresponding to the ac rated voltage control of tested photovoltaic DC-to-AC converter 13, start rear the tenth contactor KM10 adhesive of AFE rectifier 9, AFE rectifier 9 provides stable and online adjustable direct voltage source to tested photovoltaic DC-to-AC converter 13, start equipment under test photovoltaic DC-to-AC converter 13, the 20 contactor KM20 adhesive, the size that be connected to the grid electric current by control equipment under test photovoltaic DC-to-AC converter 13 is controlled its power output, the energy of feedback flows to AFE rectifier 9 through isolating transformer T2 and forms circulation. in whole test link, the power section being consumed is supplemented by many taps inlet wire transformer T1 by electrical network, and aforesaid way can also be used for testing AFE rectifier.

Embodiment bis-

As shown in Figure 3, be used for testing inverter 14, test process is as follows: total input-wire circuit breaker Q 1 is closed a floodgate, many taps inlet wire transformer T1 obtains electric, select contactor KM1～KM6 adhesive according to voltage corresponding to the DC rated voltage control of tested inverter 14, start rear the tenth contactor KM10 adhesive of AFE rectifier 9, AFE rectifier 9 is given and is accompanied examination inverter 10 and tested inverter 14 that stable and online adjustable direct voltage source is provided, start tested inverter 14 with 2 12 operations of speed control method dragging motor, motor 1 is coaxially connected by shaft coupling with motor 2 12, start and accompany examination inverter 10 with one 11 operations of torque control mode dragging motor, for tested inverter 14 provides load, control motor 1 generates electricity or motoring condition operation, the variation of simulated machine load easily, reach the test of the various speed adjusting performances to tested inverter 14, energy forms circulation accompanying between examination inverter 10, tested inverter 14, motor 1 and motor 2 12, in whole test link, the power being consumed is supplemented through many taps inlet wire transformer T1, AFE rectifier 9 by electrical network.

Embodiment tri-

As shown in Figure 4, for test frequency converter, test process is as follows: the tenth isolation circuit breakers Q10, the 20 isolation circuit breakers Q20 closes a floodgate, total input-wire circuit breaker Q 1 is closed a floodgate, many taps inlet wire transformer T1 obtains electric, select contactor KM1～KM6 adhesive according to voltage corresponding to the ac rated voltage control of tested frequency converter 15, start rear the tenth contactor KM10 adhesive of AFE rectifier 9, AFE rectifier 9 is given and is accompanied examination inverter 10 that galvanic current potential source is provided, accompany examination inverter 10 with dragging motor one 11 operations, the variable-frequency motor governing system of a four quadrant running of composition, for tested frequency converter 15 provides load. adhesive the 20 contactor KM20, start test frequency converter 15 with 2 12 operations of speed control method dragging motor, control motor 1 generates electricity or motoring condition operation, and the variation of simulated machine load easily, reaches the test of the various speed adjusting performances to tested frequency converter 15. energy at AFE rectifier 9, accompany between examination inverter 10, tested frequency converter 15, motor 1 and motor 2 12, isolating transformer T2 and form circulation. in whole test link, the power section being consumed is supplemented by many taps inlet wire transformer T1 by electrical network.

In the time that measurand is motor, in the circuit combination of Fig. 3 or Fig. 4, take down any motor in motor 1 or motor 2 12, with being replaced by measured motor, coaxially be connected by shaft coupling with the rotor of motor 1 or motor 2 12 by measured motor, load motor each other, according to the circuit test of the tested selection of Motor test frequency converter of difference or inverter, can carry out the test experiments of motor.

Many taps of the utility model inlet wire transformer T1 secondary voltage has comprised current transformer and the conventional alternating voltage of motor, can test the product of different electric pressures; Adopt AFE rectifier 9 that dc source is provided, can not produce harmonic current to electrical network and disturb; Between mains side and tested product, adopt isolating transformer T2 isolation, effectively eliminated zero sequence circulation, avoided phase mutual interference, can carry out Measurement accuracy and assessment to equipment under test, increased reliability, flexibility and the versatility of platform.

The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but do any variation in its shape or structure; every have identical with a application or akin technical scheme, within all dropping on protection domain of the present utility model.

Claims

1. a multifunction test platform, it is characterized in that: comprise total input-wire breaker (Q1), many taps inlet wire transformer (T1), voltage is selected contactor (KM1～KM6), isolating transformer (T2), the tenth isolation circuit breakers (Q10), the 20 isolation circuit breakers (Q20), the tenth contactor (KM10), the 20 contactor (KM20), AFE rectifier (9), tested module (1), the former limit of described many taps inlet wire transformer (T1) is connected with electrical network by total input-wire breaker (Q1), the tap of many taps inlet wire transformer (T1) secondary selects contactor (KM1～KM6) to be connected with the end of incoming cables of the tenth contactor (KM10) with isolation circuit breakers (Q10) by voltage, isolation circuit breakers (Q10) leading-out terminal serial connection isolating transformer (T2), after the 20 isolation circuit breakers (Q20), connect the end of incoming cables of the 20 contactor (KM20), the leading-out terminal of the tenth contactor (KM10) connects the AC of AFE rectifier (9), described tested module (1) is located between the DC side of AFE rectifier (9) and the leading-out terminal of the 20 contactor (KM20).

2. a kind of multifunction test platform according to claim 1, it is characterized in that: described tested module (1) comprises photovoltaic DC-to-AC converter (13), interchange, the DC side of described photovoltaic DC-to-AC converter (13) are connected with the DC side of AFE rectifier (9) with the leading-out terminal of contactor (KM20) respectively.

3. a kind of multifunction test platform according to claim 1, it is characterized in that: described tested module (1) comprises tested inverter (14), accompany examination inverter (10), motor one (11) and motor two (12), the described examination inverter (10) of accompanying, the DC side of tested inverter (14) is connected with AFE rectifier (9) DC side respectively, the interchange outlet of described tested inverter (14) connects motor two (12), described interchange outlet of accompanying examination inverter (10) connects motor one (11), motor one (11) is coaxially connected by shaft coupling with the rotor of motor two (12).

4. a kind of multifunction test platform according to claim 1, it is characterized in that: described tested module (1) comprises tested frequency converter (15), accompany examination inverter (10), motor one (11) and motor two (12), described DC side of accompanying examination inverter (10) is connected with AFE rectifier (9) DC side, accompany the AC of examination inverter (10) to connect motor one (11), the interchange inlet wire of described tested frequency converter (15) is connected with the leading-out terminal of the 20 contactor (KM20), the interchange outlet of tested frequency converter (15) is connected with motor two (12), motor one (11) is coaxially connected by shaft coupling with the rotor of motor two (12).

5. according to a kind of multifunction test platform described in claim 2,3 or 4, it is characterized in that: described many taps inlet wire transformer (T1) secondary output voltage is respectively 3AC270V, 330V, 400V, 480V, 600V and 690V.