CN203149045U - Spare power supply auto-switching calibrator - Google Patents
Spare power supply auto-switching calibrator Download PDFInfo
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- CN203149045U CN203149045U CN 201320023197 CN201320023197U CN203149045U CN 203149045 U CN203149045 U CN 203149045U CN 201320023197 CN201320023197 CN 201320023197 CN 201320023197 U CN201320023197 U CN 201320023197U CN 203149045 U CN203149045 U CN 203149045U
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- auto restart
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Abstract
The utility model discloses a spare power supply auto-switching calibrator which is characterized by comprising a DSP core control panel, wherein the DSP core control panel is respectively connected with two linear voltage power amplifiers, a linear current power amplifier, a switching quantity input module and a network port to HPI module, and the network port to HPI module communicates with an ARM control board inside a liquid crystal display. The accuracy and reliability of spare power supply auto-switching calibration can be effectively improved, and the reliability of power supply can be improved.
Description
Technical field
The utility model relates to a kind of prepared auto restart tester, belongs to the automatic calibration technology of power equipment field.
Background technology
Backup auto-activating device is after electric power system fault or other reasons are disconnected working power, can rapidly the power supply of standby power supply, stand-by equipment or other operate as normal be devoted oneself to work automatically a kind of automaton that the user that original working power is disconnected can restore electricity rapidly.
In electrical production and supply process, for guaranteeing power supply reliability, reduce to greatest extent the user is had a power failure, transformer station and responsible consumer generally adopt dual power supply or many power supplys stand-by power supply mode each other, backup auto-activating device then is the intelligent control device of realizing this function, and its safe and reliable operation is to guarantee that power supply is equipped with the successful key of throwing.
Current; backup auto-activating device tripping or malfunction and the power outage that causes still accounts for suitable ratio in the electric system power outage; requirement according to the Protection Technology supervision; the backup auto-activating device that newly puts into operation and the periodic inspection of backup auto-activating device; must the belt switch transmission test qualified, with the reliability of guaranteeing device and the correctness of external circuit.Thereby guarantee that after working power or equipment disconnect because of failure and other reasons device can correct operation, guarantees power supply.Meanwhile, according to the convention of reaying protection test, before doing the switch transmission test, should carry out simulation test, guarantee that device itself reliably to improve test efficiency, can also reduce the switch motion number of times simultaneously, to be conducive to the safe operation of primary equipment.Current, in inspection or verification prepared auto restart process, relative breaker is in running status, and the information of isolating switch can not reach prepared auto restart, needs artificial analog switch information, so easily causes the prepared auto restart baulk.Unless full station has a power failure, otherwise can't all isolating switchs of backup auto-activating device effect be overhauled simultaneously, objectively makes the logic function verification of prepared auto restart be difficult to real realization.In addition, old-fashioned prepared auto restart tester can't adapt to up-to-date modular design three female two segmentation prepared auto restart modes of connection.Carry out research work in a deep going way at the problems referred to above, develop a kind of prepared auto restart tester, fundamentally solve an above difficult problem.
At present, mainly there is following shortcoming in the prepared auto restart verification:
(1) owing to adopts the device association complexity of dual power supply or multi-power system power supply, the method of operation is changeable, and need to change power supply mode or power failure, adding does not have suitable simulation test means and equipment, causes the on-the-spot realistic simulation test of backup auto-activating device to be difficult to carry out.
(2) whole group transmission test link is many, and the wiring complexity wastes time and energy and makes mistakes easily, and therefore can judgement and checking backup auto-activating device become very loaded down with trivial details and difficult by regular event.
(3) at transformer station's built by separate periods and primary connection not exclusively and during the periodic inspection under the back switch normal operating condition of going into operation, can't carry out transmission test at all, contradiction is more outstanding, thereby the logic of backup auto-activating device and the reliability in loop thereof, correctness can't really guarantee.
(4) required test signal is generally by Microcomputer Protection test unit output current and these ac analogs of voltage in the existing backup auto-activating device pilot system; provided by the separate analogue isolating switch and to open into amount and the reception amount of leaving; test backup auto-activating device actuation time by the time test instrument; these equipment general operations are loaded down with trivial details, wiring is complicated, and bulky, heavy.
(5) at present when carrying out the prepared auto restart verification, need many people short circuit analog switch position on the terminal row of backup auto-activating device screen back simultaneously, cooperate the comparison difficulty, and the wrong possibility of bumping, influence equipment safety operation.
The utility model content
Technical problem to be solved in the utility model provides a kind of intellectuality, carries convenient, the simple prepared auto restart tester of test connection, improves accuracy, the reliability of prepared auto restart verification, thereby improves power supply reliability.
For solving the problems of the technologies described above, the utility model provides a kind of prepared auto restart tester, it is characterized in that, comprise DSP core control panel, it is characterized in that: DSP core control panel changes the HPI module with two linear voltage power amplifiers, linear current power amplifier, switching input module, network interface respectively and links to each other, and the ARM control panel that network interface changes HPI module and LCD inside communicates.
Aforesaid prepared auto restart tester is characterized in that: described ARM control panel communicates with USB interface, electronic hard disc interface and real-time clock simultaneously.
Aforesaid prepared auto restart tester is characterized in that: mimic-disconnecting switch during with switch load module link to each other.
Aforesaid prepared auto restart tester is characterized in that: also comprise power supply and power amplifier module, power supply and power amplifier module link to each other with linear voltage power amplifier, linear current power amplifier respectively.
The beneficial effect that the utility model reaches: prepared auto restart tester of the present utility model, it is convenient to carry, wiring is simple, friendly interface, test procedure is a key operation, not only satisfy under the various transforming plant primary modes of connection and method of operation requirement, the function check of backup auto-activating device, also satisfy bridge isolating switch or female connection prepared auto restart, the inlet wire prepared auto restart, the transformer prepared auto restart, bridging line transformer prepared auto restart, the balanced load prepared auto restart, the function check of special prepared auto restarts such as two female wiring prepared auto restarts, thereby the utility model is a kind of intellectuality, sequencing, the prepared auto restart tester of hommization, can effectively improve the accuracy of prepared auto restart verification, reliability, thus power supply reliability improved.
Description of drawings
Fig. 1 is the structural representation of prepared auto restart tester of the present utility model;
Fig. 2 is the control principle figure of prepared auto restart tester of the present utility model.
Embodiment
The utility model provides a kind of hardware, software scenario to satisfy the requirement of all prepared auto restart modes, the prepared auto restart tester should possess alternating current, voltage output function, the mimic-disconnecting switch function, open into the amount input/output function, primary connection figure position of the switch inputting interface, prepared auto restart pilot project inputting interface, form file function, computer interface function etc.
Prepared auto restart tester of the present utility model comprises DSP core control panel, DSP core control panel during respectively with two linear voltage power amplifiers, linear current power amplifier, switch load module, network interface change the HPI module and link to each other, mimic-disconnecting switch during with switch load module link to each other, the ARM control panel that network interface changes HPI module and LCD inside communicates.
Adopt High Performance DSP+FPGA to finish calculating and generation and the various sequential logic control function of high-precision signal, ripple output is counted and is reached 600 points weekly, guaranteed the smoothness of signal, through testing percent harmonic distortion less than 0.5%, far above the index of general prepared auto restart tester, the time test precision is less than 1ms.
LCD adopts large screen color liquid crystal display (800 * 600), finish the setting at interface and parameter by touch-screen function is set etc., the inner ARM9 control panel that adopts is finished the man-machine interface Presentation Function, built-in Wince5.0 operating system, adopt EVC4.0 Application and Development software, realized self-defined soft keyboard input, objective interface is simple, and software upgrading is convenient.Relative and traditional industrial computer mode whole aircraft reliability has obtained large increase.
Built-in No. 5 mimic-disconnecting switches, mimic-disconnecting switch tripping current 1.5A, switching current 0.5A can realize having hand trip(ping), closing by hand function by the button on the panel, can observe the on off state of current isolating switch by the pilot lamp on the panel.Test can external isolating switch during backup auto-activating device, has simplified wiring, has improved testing efficiency.Can correctly simulate the various fault dead electricity that transformer station occurs, the action behavior of backup auto-activating device is tested, can carry out full test to transformer prepared auto restart, inlet wire prepared auto restart and segmentation prepared auto restart etc.The prepared auto restart tester adopts high precision 8 road voltages and 2 road electric currents to export synchronously, the 5 tunnel opens into amount and can also realize more complicated test function in conjunction with what expand on the panel.
Prepared auto restart tester one key test procedure scheme: research prepared auto restart tester program, cooperate normal and fault case setting, a key test backup auto-activating device action logic, has the pressure value, flow valuve etc. is arranged one key measurement backup auto-activating device actuation time.
In the transformer station, the standby electric power automatic throwing formula that backup auto-activating device uses is divided into modes such as inlet wire prepared auto restart, segmentation prepared auto restart, transformer prepared auto restart.In order to finish the test with the upper type prepared auto restart, the tester hardware aspect integrates eight road voltages outputs (0-120V), the output of two-way electric current (0-2A), five mimic-disconnecting switches and five switching values.
The workflow of prepared auto restart tester:
(1) backup auto-activating device current/voltage loop, circuit breaker position are opened open into, tripping operation outlet etc. into, locking prepared auto restart and be connected with prepared auto restart tester hardware;
(2) select primary connection figure by the human-computer interaction interface of prepared auto restart tester;
(3) normal state, the fault case by its operation of interface setting;
(4) one-key operation test;
(5) should be able to see the variation of switch deciliter position among the primary connection figure in the process of the test intuitively.After every test was finished, tester should be with the result of report form storage test, and the interface with computing machine is provided, and made things convenient for data output.
Software realization mode
Prepared auto restart tester of the present utility model, software section can correctly be simulated the prepared auto restart logic simply and intuitively.
Prepared auto restart tester of the present utility model is controlled the voltage of two inlet wires of six road voltage analogs by control section, and three mimic-disconnecting switches are simulated two inlet wires and a bus respectively, the electric current (as Fig. 2) of two-way electric current two-way inlet wire or female connection.
According to the requirement of prepared auto restart test, control section is divided into four kinds of modes, and each mode requires to be divided into again one of four states according to prepared auto restart.
(1) mode one
State one: six road voltage output rated voltages of two primary voltages of simulation, inlet wire one mimic-disconnecting switch closing position, inlet wire two disconnected mimic-disconnecting switch separating brake positions, female gang mould is intended the breaker closing position, the two-way electric current is simulated the electric current of inlet wire one and female connection respectively, and this state can be controlled the moment that enters next state by the length of long output time is set most.
State two: three road loss of voltage of simulation inlet wire one, the two-way current vanishes, three road voltages of simulation inlet wire two are normal; Through prepared auto restart tripping operation time-delay, prepared auto restart protection action, inlet wire one mimic-disconnecting switch becomes the separating brake position by closing position, and this state can enter the moment of NextState by the action connection point control of inlet wire one mimic-disconnecting switch.
State three: three road voltages of simulation inlet wire one voltage do not have pressure, and the two-way electric current does not have electric current output, and three road voltages of simulation inlet wire two voltages are normal; Through the time-delay of prepared auto restart combined floodgate, prepared auto restart protection action, inlet wire two mimic-disconnecting switches become closing position by the separating brake position, and this state can enter the moment of NextState by the action connection point control of inlet wire two mimic-disconnecting switches.
State four: three road voltages of simulation inlet wire one do not have pressure, one road electric current of simulation bus connection switch electric current has stream, and one road electric current of simulation inlet wire one does not have electric current output, and inlet wire one mimic-disconnecting switch is the separating brake position, inlet wire two mimic-disconnecting switches are closing position, and bus is at closing position.This state can arrange the longest output time and come state of a control length.
(2) mode two
State one: six road voltage output rated voltages of two primary voltages of simulation, inlet wire two mimic-disconnecting switch closing positions, inlet wire one mimic-disconnecting switch separating brake position, female gang mould is intended the breaker closing position, the two-way electric current is simulated the electric current of inlet wire two and female connection respectively, and this state can be controlled the moment that enters next state by the length of long output time is set most.
State two: three road loss of voltage of simulation inlet wire two voltages, the two-way current vanishes, three road voltages of simulation inlet wire one voltage are normal; Through prepared auto restart tripping operation time-delay, prepared auto restart protection action, inlet wire two mimic-disconnecting switches become the separating brake position by closing position, and this state can enter the moment of NextState by the action connection point control of inlet wire two mimic-disconnecting switches.
State three: three road voltages of simulation inlet wire two voltages do not have pressure, and the two-way electric current does not have electric current output, and three road voltages of simulation inlet wire one voltage are normal; Through the time-delay of prepared auto restart combined floodgate, prepared auto restart protection action, inlet wire one mimic-disconnecting switch becomes closing position by the separating brake position, and this state can enter the moment of NextState by the action connection point control of inlet wire two mimic-disconnecting switches.
State four: three road voltages of simulation inlet wire two do not have pressure, one road electric current of simulation bus connection switch electric current has stream, and one road electric current of simulation inlet wire one does not have electric current output, and inlet wire two mimic-disconnecting switches are the separating brake position, inlet wire one mimic-disconnecting switch is closing position, and bus is at closing position.This state can arrange the longest output time and come state of a control length.
(3) mode three
State one: six road voltage output rated voltages of two sections busbar voltages of simulation, inlet wire one mimic-disconnecting switch closing position, inlet wire two mimic-disconnecting switch closing positions, female gang mould is intended the breaker open operation position, the two-way electric current is simulated the electric current of inlet wire one, inlet wire two respectively, and this state can be controlled the moment that enters next state by the length of long output time is set most.
State two: three road loss of voltage of simulation inlet wire one voltage, three road voltages of simulation inlet wire two are normal, one tunnel current vanishes of simulation inlet wire one electric current, one road electric current of simulation inlet wire two electric currents is normal; Through prepared auto restart tripping operation time-delay, prepared auto restart protection action, inlet wire one mimic-disconnecting switch becomes the separating brake position by closing position, and this state can enter the moment of NextState by the action connection point control of inlet wire one mimic-disconnecting switch.
State three: three road voltages of simulation inlet wire two do not have pressure, and three road voltages of simulation inlet wire two are normal, one tunnel current vanishes of simulation inlet wire one electric current, and one road electric current of simulation inlet wire two electric currents is normal; Through the time-delay of prepared auto restart combined floodgate, prepared auto restart protection action, female gang mould is intended isolating switch and is become closing position by the separating brake position, and this state can enter the moment of NextState by the action connection point control of female gang mould plan isolating switch.
State four: three road voltages of simulation inlet wire one do not have pressure, three road voltages of simulation inlet wire two are normal, one tunnel current vanishes of simulation inlet wire one electric current, one road electric current of simulation inlet wire two electric currents is normal, inlet wire one mimic-disconnecting switch is the separating brake position, inlet wire two mimic-disconnecting switches are closing position, and bus is at closing position.This state can arrange the longest output time and come state of a control length.
(4) mode four
State one: six road voltage output rated voltages of two sections busbar voltages of simulation, inlet wire two mimic-disconnecting switch closing positions, inlet wire one mimic-disconnecting switch closing position, female gang mould is intended the breaker open operation position, the two-way electric current is simulated the electric current of inlet wire one, inlet wire two respectively, and this state can be controlled the moment that enters next state by the length of long output time is set most.
State two: three road loss of voltage of simulation inlet wire two voltages, three road voltages of simulation inlet wire one are normal, one tunnel current vanishes of simulation inlet wire two electric currents, one road electric current of simulation inlet wire one electric current is normal; Through prepared auto restart tripping operation time-delay, prepared auto restart protection action, inlet wire two mimic-disconnecting switches become the separating brake position by closing position, and this state can enter the moment of NextState by the action connection point control of inlet wire two mimic-disconnecting switches.
State three: three road voltages of simulation inlet wire one do not have pressure, and three road voltages of simulation inlet wire two are normal, one tunnel current vanishes of simulation inlet wire two electric currents, and one road electric current of simulation inlet wire one electric current is normal; Through the time-delay of prepared auto restart combined floodgate, prepared auto restart protection action, female gang mould is intended isolating switch and is become closing position by the separating brake position, and this state can enter the moment of NextState by the action connection point control of female gang mould plan isolating switch.
State four: three road voltages of simulation inlet wire two do not have pressure, three road voltages of simulation inlet wire one are normal, one tunnel current vanishes of simulation inlet wire two electric currents, one road electric current of simulation inlet wire one electric current is normal, inlet wire two mimic-disconnecting switches are the separating brake position, inlet wire one mimic-disconnecting switch is closing position, and bus is at closing position.This state can arrange the longest output time and come state of a control length.
Under the various transforming plant primary modes of connection and method of operation requirement, the functional requirement of backup auto-activating device comprises: correctly simulate inlet wire prepared auto restart logic; Correct simulation segmentation (bridge switch) prepared auto restart logic; Correct analogue transformer prepared auto restart logic; Accurate calibration voltage working value; The electric current working value; Trip time; Closing time; The voltage blocking value; The current interlock value; Connect mimic-disconnecting switch and carry out total group test.By the various prepared auto restart logics of correct simulation, and has mimic-disconnecting switch cooperation prepared auto restart transmission test.The prepared auto restart tester need not belt fuser and carries out frequent operation in process of the test.Can satisfy inlet wire prepared auto restart, segmentation (bridge switch) prepared auto restart, transformer prepared auto restart, by the amount of leaving, open the cooperation into amount, backup auto-activating device, finish the test-based examination of backup auto-activating device.
Backup auto-activating device:Be after electric power system fault or other reasons are disconnected working power, can rapidly the power supply of standby power supply, stand-by equipment or other operate as normal be devoted oneself to work automatically a kind of automaton that the user that original working power is disconnected can restore electricity rapidly.
The prepared auto restart tester:Can be to the accuracy of every function of backup auto-activating device and the instrument that reliability detects and judges.
Claims (4)
1. prepared auto restart tester, it is characterized in that, comprise DSP core control panel, it is characterized in that: DSP core control panel changes the HPI module with two linear voltage power amplifiers, linear current power amplifier, switching input module, network interface respectively and links to each other, and the ARM control panel that network interface changes HPI module and LCD inside communicates.
2. prepared auto restart tester according to claim 1 is characterized in that: described ARM control panel communicates with USB interface, electronic hard disc interface and real-time clock simultaneously.
3. prepared auto restart tester according to claim 1 is characterized in that: mimic-disconnecting switch during with switch load module link to each other.
4. prepared auto restart tester according to claim 1, it is characterized in that: also comprise power supply and power amplifier module, power supply and power amplifier module link to each other with linear voltage power amplifier, linear current power amplifier respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320023197 CN203149045U (en) | 2013-01-16 | 2013-01-16 | Spare power supply auto-switching calibrator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320023197 CN203149045U (en) | 2013-01-16 | 2013-01-16 | Spare power supply auto-switching calibrator |
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| CN203149045U true CN203149045U (en) | 2013-08-21 |
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| CN 201320023197 Expired - Fee Related CN203149045U (en) | 2013-01-16 | 2013-01-16 | Spare power supply auto-switching calibrator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675554A (en) * | 2013-12-26 | 2014-03-26 | 国网河南省电力公司南阳供电公司 | Standby power source automatic switching device tester |
| CN104483568A (en) * | 2014-12-05 | 2015-04-01 | 国家电网公司 | Device for detecting automatic switching of emergency power supply |
| CN104502767A (en) * | 2014-12-25 | 2015-04-08 | 南京因泰莱电器股份有限公司 | Tooling system for test of alternating-current analog quantity |
-
2013
- 2013-01-16 CN CN 201320023197 patent/CN203149045U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675554A (en) * | 2013-12-26 | 2014-03-26 | 国网河南省电力公司南阳供电公司 | Standby power source automatic switching device tester |
| CN104483568A (en) * | 2014-12-05 | 2015-04-01 | 国家电网公司 | Device for detecting automatic switching of emergency power supply |
| CN104483568B (en) * | 2014-12-05 | 2017-08-25 | 国家电网公司 | A kind of device for detecting stand-by power supply automatic switching |
| CN104502767A (en) * | 2014-12-25 | 2015-04-08 | 南京因泰莱电器股份有限公司 | Tooling system for test of alternating-current analog quantity |
| CN104502767B (en) * | 2014-12-25 | 2018-09-11 | 南京因泰莱电器股份有限公司 | A kind of fixture system for ac analog test |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210000 Su Yuan Road, Jiangning Development Zone, Nanjing City, Nanjing, Jiangsu Province, -5 58 Co-patentee after: PONOVO POWER Co.,Ltd. Patentee after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. MAINTENANCE BRANCH Co-patentee after: JIANGSU ELECTRIC POWER Co. Co-patentee after: State Grid Corporation of China Address before: 210000 Su Yuan Road, Jiangning Development Zone, Nanjing City, Nanjing, Jiangsu Province, -5 58 Co-patentee before: PONOVO POWER Co.,Ltd. Patentee before: MAINTENANCE DIVISION OF STATE GRID JIANGSU ELECTRIC POWER Co. Co-patentee before: JIANGSU ELECTRIC POWER Co. Co-patentee before: State Grid Corporation of China Address after: 210000 Su Yuan Road, Jiangning Development Zone, Nanjing City, Nanjing, Jiangsu Province, -5 58 Co-patentee after: PONOVO POWER Co.,Ltd. Patentee after: MAINTENANCE DIVISION OF STATE GRID JIANGSU ELECTRIC POWER Co. Co-patentee after: JIANGSU ELECTRIC POWER Co. Co-patentee after: State Grid Corporation of China Address before: 210000 Su Yuan Road, Jiangning Development Zone, Nanjing City, Nanjing, Jiangsu Province, -5 58 Co-patentee before: PONOVO POWER Co.,Ltd. Patentee before: JIANGSU ELECTRIC POWER COMPANY MAINTENANCE BRANCH Co-patentee before: JIANGSU ELECTRIC POWER Co. Co-patentee before: State Grid Corporation of China |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20190116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |