CN107919834A - A kind of motor loading testboard Brake energy recovery utilizes device - Google Patents
A kind of motor loading testboard Brake energy recovery utilizes device Download PDFInfo
- Publication number
- CN107919834A CN107919834A CN201710918663.5A CN201710918663A CN107919834A CN 107919834 A CN107919834 A CN 107919834A CN 201710918663 A CN201710918663 A CN 201710918663A CN 107919834 A CN107919834 A CN 107919834A
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- Prior art keywords
- driver
- servo
- phase
- loading
- energy recovery
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- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/74—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more ac dynamo-electric motors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Stopping Of Electric Motors (AREA)
Abstract
The present invention relates to a kind of motor loading testboard Brake energy recovery to utilize device, including Loading Control module, frequency-changing AC output module and electricity consumption module, and Loading Control module is electrically connected by frequency-changing AC module with electricity consumption module；Loading Control module includes the first servo-driver, braking resistor and loading motor, and the load side of the first servo-driver is electrically connected with loading motor, and the dc bus connecting side of the first servo-driver is electrically connected with braking resistor；Frequency-changing AC output module includes the second servo-driver, which utilizes in device, and by parallel connection direct busbar mode, part electric energy is taken out from dc bus, drives other electrical equipments to work.Energy-saving effect of the present invention is notable, can effectively reduce the temperature of working environment, and small investment, without special installation, have no effect to power grid.
Description
Technical field
The present invention relates to electrical equipment energy-saving technical field, more particularly to a kind of motor loading testboard Brake energy recovery
Utilize device.
Background technology
Loading testboard belongs to energy consumption type load mode, and the servo-driver used provides permanent moment of torsion control for load side,
The external AC magnetoelectric machine of driver is in generating state during loading, raises driver DC bus-bar voltage, to prevent electricity
Pressure continues to raise and damage driver, it is necessary to which unnecessary electric energy is released by external braking resistor.Remove mechanical loss and driving
Device energy expenditure, is about 80% power, will be dissipated by braking resistor in a manner of thermal energy.And DC bus-bar voltage is about
Between 510V to 750V, general electrical equipment is difficult to be used；And limited by space, when braking resistor works, energy consumption
Huge, a large amount of thermal energy cause the temperature of working environment to raise, and harmful effect is caused to personnel and equipment.
The content of the invention
The technical problem to be solved in the present invention is：In order to overcome above-mentioned huge energy consumption in the prior art, do not recycle effectively
The deficiency utilized, there is provided a kind of motor loading testboard Brake energy recovery utilizes device.
The technical solution adopted by the present invention to solve the technical problems is as follows：
A kind of motor loading testboard Brake energy recovery utilizes device, including the output of Loading Control module, frequency-changing AC
Module and electricity consumption module, Loading Control module are electrically connected by frequency-changing AC module with electricity consumption module；
The Loading Control module includes the first servo-driver, braking resistor and loading motor, the first servo-driver
Load side be electrically connected with loading motor, the braking output terminal of the first servo-driver is electrically connected with braking resistor；
The frequency-changing AC output module includes the second servo-driver, the dc bus connecting side of the second servo-driver
It is connected with the dc bus connecting side of the first servo-driver, the load side of the second servo-driver is electrically connected with electricity consumption module.
Specifically, first servo-driver is common bus servo-driver, the second servo-driver is watched for common bus
Take driver or frequency converter.
Specifically, electricity consumption module includes A/C thermostat switch and one or more three-phase compressor, each three-phase compressor
Three-phase input end and the three-phase output end of the load side of the second servo-driver connect one to one, each three-phase compressor connects
Grounding terminal of the ground wire with the second servo-driver is connected, the startup control terminal of A/C thermostat switch and the second servo-driver
Connection.
Specifically, the frequency-changing AC output module further includes adjustable resistance and time-delay relay, one end of adjustable resistance
It is electrically connected with the 24v power supply GND (- ISAO) ends of the second servo-driver, the other end of adjustable resistance drives with the second servo respectively
+ 24V the ends of dynamic device and safe Enable Pin (ISDSH ends) connection of the second servo-driver, the both ends of the coil of time-delay relay
It is connected, is delayed with the ground terminal of the second servo-driver and the digital quantity input terminal (ISDOO ends) of the second servo-driver respectively
One end of the switch of relay is connected with+24V the ends of the second servo-driver, and the other end of the switch of time-delay relay passes through sky
Temperature detect switch (TDS) is adjusted to be connected with the Enable Pin (ENPO ends) of the second servo-driver.
Specifically, the dc bus connecting side of second servo-driver is connected with protection module, protection module includes
Diode, the first single-phase circuit breaker, the second single-phase circuit breaker, first fuse and second fuse, the first single-phase circuit breaker and
One end of the series circuit of first fuse composition is connected and leads to the cathode of the dc bus connecting side of the first servo-driver
The ground terminal that braking resistor is crossed with the dc bus connecting side of the first servo-driver is connected, and the anode of the other end and diode connects
Connect, the cathode of diode is connected with the cathode of the dc bus connecting side of the second servo-driver, the second single-phase circuit breaker and
One end of the series circuit of two fuses composition is connected with the anode of the dc bus connecting side of the first servo-driver, the other end
It is connected with the anode of the dc bus connecting side of the second servo-driver.
Wherein, driver output frequency can be adjusted in control by adjustable resistance, during the closure of time-delay relay
Between, as compressor of air conditioner delay protection, improve the reliability that device works.
Specifically, the supply voltage side of first servo-driver is connected with three-phase reactor and three-phase breaker in turn,
And three-phase alternating current busbar is connected with three-phase breaker by three-phase reactor.
Specifically, the signal wire of the encoder of first servo-driver is arranged with shield clip, shield clip ground connection, at this
In, interference signal can be shielded by shield clip, so as to improve the stability of device operation.
The invention has the advantages that relative to the prior art, motor loading testboard Brake energy recovery profit of the present invention
With in device, by parallel connection direct busbar mode, part electric energy is taken out from dc bus, drives other electrical equipments to work.
Energy-saving effect of the present invention is notable, can effectively reduce the temperature of working environment, and small investment, without special installation, to power grid
Have no effect.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the electrical schematic diagram of the present invention；
Fig. 2 is the electrical schematic diagram of the specific embodiment of the invention.
In figure：R1. braking resistor, S1. A/C thermostat switches, RP1. adjustable resistances, KT1. time-delay relays, bis- poles of VD1.
Pipe, F1. three-phase breakers, the first single-phase circuit breakers of F2., the second single-phase circuit breakers of F3. ,-L1. three-phase reactors, FU1. first are molten
Disconnected device, FU2. second fuses.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows composition related to the present invention.
As depicted in figs. 1 and 2, a kind of motor loading testboard Brake energy recovery utilizes device, including Loading Control mould
Block, frequency-changing AC output module and electricity consumption module, Loading Control module are electrically connected by frequency-changing AC module with electricity consumption module；
Loading Control module includes the first servo-driver, braking resistor R1 and loading motor, the first servo-driver
Load side is electrically connected with loading motor, and the braking output terminal of the first servo-driver is electrically connected with braking resistor R1；
Frequency-changing AC output module includes the second servo-driver, the dc bus connecting side of the second servo-driver and the
The dc bus connecting side connection of one servo-driver, the load side of the second servo-driver are electrically connected with electricity consumption module.
Specifically, first servo-driver is common bus servo-driver F5 series, the second servo-driver is common
Busbar servo-driver CDE32 series.
Specifically, electricity consumption module includes A/C thermostat switch S1 and one or more three-phase compressor, each three-phase compression
The three-phase input end of machine and the three-phase output end of the load side of the second servo-driver connect one to one, each three-phase compressor
It is grounded the grounding terminal with the second servo-driver to be connected, the startup control of A/C thermostat switch S1 and the second servo-driver
End connection processed.
Specifically, the frequency-changing AC output module further includes adjustable resistance RP1 and time-delay relay KT1, adjustable resistance
One end of RP1 is electrically connected with the 24V power supplys GND (- ISAO ends) of the second servo-driver, the other end difference of adjustable resistance RP1
(ISDSH ends) is enabled with+24V the ends of the second servo-driver and the safety of the second servo-driver to be connected, time-delay relay KT1
Coil both ends respectively with the ground terminal of the second servo-driver and the digital quantity input terminal (ISDOO of the second servo-driver
End) connect, one end of the switch of time-delay relay KT1 is connected with+24V the ends of the second servo-driver, time-delay relay KT1's
The other end of switch is connected by A/C thermostat switch S1 with the driver Enable Pin (ENPO ends) of the second servo-driver.
Specifically, the dc bus connecting side of second servo-driver is connected with protection module, protection module includes
Diode VD1, the first single-phase circuit breaker F2, the second single-phase circuit breaker F3, first fuse FU1 and second fuse FU2, first
One end of the series circuit of single-phase circuit breaker F2 and first fuse FU1 compositions is connected with the dc bus of the first servo-driver
The cathode of side is connected and is connected by braking resistor R1 with the ground terminal of the dc bus connecting side of the first servo-driver, another
End is connected with the anode of diode VD1, the cathode of the dc bus connecting side of the cathode of diode VD1 and the second servo-driver
One end of the series circuit of connection, the second single-phase circuit breaker F3 and second fuse FU2 compositions is straight with the first servo-driver
The anode connection of busbar connecting side is flowed, the other end is connected with the anode of the dc bus connecting side of the second servo-driver.
Wherein, by adjustable resistance RP1 can driver output frequency control is adjusted, time-delay relay KT1's closes
The time is closed, as compressor of air conditioner stoppage protection function, improves the reliability that device works.
Specifically, the supply voltage side of first servo-driver is connected with three-phase reactor L1 and three-phase breaker in turn
F1, and three-phase alternating current busbar is connected with three-phase breaker F1 by three-phase reactor L1.
Specifically, the signal wire of the encoder of first servo-driver is arranged with shield clip, shield clip ground connection, at this
In, interference signal can be shielded by shield clip, so as to improve the stability of device operation.
Operation principle is：It is defeated that the compressor three-phase power line of air-conditioning is directly connected to LUST drivers (the second servo-driver)
Outlet UVW, LUST driver enabling signal terminals are controlled with the starting relay of air-conditioning, and LUST drivers are arranged to V/F patterns,
380V, 50Hz are exported, driver is arranged to control of soft, and corresponding electrical equipment no current impact, prolongs the service life.
Present invention innovation is by parallel connection direct busbar mode, and part electric energy is taken out from dc bus, drives other use
Electric equipment works, such as air-conditioning system, the water heater place not high to power quality requirements.The present invention is using with dc bus
Driver (the second servo-driver), 510~750V DC bus-bar voltages are changed into for three phase electric machine or heater use
380V50Hz three-phase alternating currents, the design, small investment, without special installation has no effect power grid.
Using the servo-driver and air-conditioning of common bus, a set of common bus drive system is formed, while transform existing sky
Circuit is adjusted, is worked using servo driver drives compressor of air conditioner.Be computed, according to daily operation 6 it is small when, recyclable electric energy
432 degree, the conversion of these electric energy using 120,000 degree of electricity, is used for air-conditioning constant temperature in workshop, ventilation etc., workshop room temperature is can be controlled in by year
Suitable temperature.
Compared with prior art, which utilizes in device, female by parallel connection direct
Line mode, takes out part electric energy from dc bus, drives other electrical equipments to work, and the design, small investment, special need not set
It is standby, have no effect to power grid.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (7)
1. a kind of motor loading testboard Brake energy recovery utilizes device, it is characterised in that including Loading Control module, frequency conversion
AC output module and electricity consumption module, Loading Control module are electrically connected by frequency-changing AC module with electricity consumption module；
The Loading Control module includes the first servo-driver, braking resistor and loading motor, and the first servo-driver adds
Carry side to be electrically connected with loading motor, the first servo-driver braking output terminal is connected with braking resistor；
The frequency-changing AC output module includes the second servo-driver, the dc bus connecting side of the second servo-driver and the
The dc bus connecting side connection of one servo-driver, the outlet side of the second servo-driver are electrically connected with the electricity consumption module.
2. motor loading testboard Brake energy recovery as claimed in claim 1 utilizes device, it is characterised in that described first
Servo-driver is common bus servo-driver, and the second servo-driver is common bus servo-driver or frequency converter.
3. motor loading testboard Brake energy recovery as claimed in claim 2 utilizes device, it is characterised in that the electricity consumption
Module includes A/C thermostat switch and one or more three-phase compressor, and the three-phase input end of each three-phase compressor is watched with second
The three-phase output end for taking driver connects one to one, the ground connection being grounded with the second servo-driver of each three-phase compressor
Line end connects, and A/C thermostat switch is connected with the startup control terminal of the second servo-driver.
4. motor loading testboard Brake energy recovery as claimed in claim 3 utilizes device, it is characterised in that the frequency conversion
AC output module further includes adjustable resistance and time-delay relay, one end of adjustable resistance and the ground terminal of the second servo-driver
Connection, the other end of adjustable resistance respectively with the+24V ends of the second servo-driver and the braking Enable Pin of the second servo-driver
Connection, the both ends of the coil of time-delay relay respectively with the ground terminal of the second servo-driver and the numeral of the second servo-driver
Input terminal connection is measured, one end of the switch of time-delay relay is connected with+24V the ends of the second servo-driver, time-delay relay
The other end of switch is connected by A/C thermostat switch with the Enable Pin of the second servo-driver.
5. motor loading testboard Brake energy recovery as claimed in claim 2 utilizes device, it is characterised in that described second
The dc bus connecting side of servo-driver is connected with protection module, and protection module includes diode, the first single-phase circuit breaker, the
The series circuit of two single-phase circuit breakers, first fuse and second fuse, the first single-phase circuit breaker and first fuse composition
One end be connected with the cathode of the dc bus connecting side of the first servo-driver and by braking resistor and the first servo-drive
The anode of the ground terminal connection of the dc bus connecting side of device, the other end and diode connects, and the cathode of diode is watched with second
The cathode connection of the dc bus connecting side of driver is taken, the series circuit that the second single-phase circuit breaker and second fuse form
One end is connected with the anode of the dc bus connecting side of the first servo-driver, and the direct current of the other end and the second servo-driver is female
The anode connection of line connecting side.
6. motor loading testboard Brake energy recovery as claimed in claim 2 utilizes device, it is characterised in that described first
The supply voltage side of servo-driver is connected with three-phase reactor and three-phase breaker in turn, and passes through three-phase reactor and three-phase break
Device connects three-phase alternating current busbar.
7. motor loading testboard Brake energy recovery as claimed in claim 2 utilizes device, it is characterised in that described first
The signal wire of the encoder of servo-driver is arranged with shield clip, shield clip ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710918663.5A CN107919834A (en) | 2017-09-30 | 2017-09-30 | A kind of motor loading testboard Brake energy recovery utilizes device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710918663.5A CN107919834A (en) | 2017-09-30 | 2017-09-30 | A kind of motor loading testboard Brake energy recovery utilizes device |
Publications (1)
| Publication Number | Publication Date |
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| CN107919834A true CN107919834A (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710918663.5A Pending CN107919834A (en) | 2017-09-30 | 2017-09-30 | A kind of motor loading testboard Brake energy recovery utilizes device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120221280A1 (en) * | 2011-02-28 | 2012-08-30 | Deere & Company | Method And Apparatus For Characterizing An Interior Permanent Magnet Machine |
| CN103163460A (en) * | 2013-02-05 | 2013-06-19 | 安徽中家智锐科技有限公司 | Motor twin trawling platform used for motor test |
| CN103522869A (en) * | 2013-09-28 | 2014-01-22 | 安徽瓦尔特机械贸易有限公司 | Vehicle cooling system and control method thereof |
| CN106507951B (en) * | 2010-12-06 | 2014-06-11 | 上海航天测控通信研究所 | Shared test equipment is for the anti-interference method of AC servo control system |
| CN207304426U (en) * | 2017-09-30 | 2018-05-01 | 江阴弘远新能源科技有限公司 | A kind of motor loading testboard Brake energy recovery utilizes device |
-
2017
- 2017-09-30 CN CN201710918663.5A patent/CN107919834A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106507951B (en) * | 2010-12-06 | 2014-06-11 | 上海航天测控通信研究所 | Shared test equipment is for the anti-interference method of AC servo control system |
| US20120221280A1 (en) * | 2011-02-28 | 2012-08-30 | Deere & Company | Method And Apparatus For Characterizing An Interior Permanent Magnet Machine |
| CN103163460A (en) * | 2013-02-05 | 2013-06-19 | 安徽中家智锐科技有限公司 | Motor twin trawling platform used for motor test |
| CN103522869A (en) * | 2013-09-28 | 2014-01-22 | 安徽瓦尔特机械贸易有限公司 | Vehicle cooling system and control method thereof |
| CN207304426U (en) * | 2017-09-30 | 2018-05-01 | 江阴弘远新能源科技有限公司 | A kind of motor loading testboard Brake energy recovery utilizes device |
Non-Patent Citations (1)
| Title |
|---|
| 陈晓丽、杨俭: "城市轨道车辆制动能量回收系统设计及分析", 电气传动, vol. 40, no. 10, pages 77 * |
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