CN213210413U - Integrated power supply comprehensive testing device - Google Patents
Integrated power supply comprehensive testing device Download PDFInfo
- Publication number
- CN213210413U CN213210413U CN202022121685.9U CN202022121685U CN213210413U CN 213210413 U CN213210413 U CN 213210413U CN 202022121685 U CN202022121685 U CN 202022121685U CN 213210413 U CN213210413 U CN 213210413U
- Authority
- CN
- China
- Prior art keywords
- phase alternating
- alternating current
- air switch
- output
- display unit
- 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.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 230000001105 regulatory effect Effects 0.000 claims abstract description 54
- 238000004088 simulation Methods 0.000 claims description 12
- 230000010354 integration Effects 0.000 abstract description 12
- 238000010998 test method Methods 0.000 abstract description 4
- 238000013522 software testing Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001484259 Lacuna Species 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000010617 multipoint ground Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model relates to an integration power supply test technical field is an integration power comprehensive testing device, and it includes voltage regulating unit, three-phase AC input voltage display element, three-phase AC output voltage display element, single phase AC output voltage display element, exchanges scarce item air switch, three-phase AC input voltage display element's output and voltage regulating unit input are connected, and the voltage regulating unit output is connected with three-phase AC output voltage display element's input, exchanges scarce item air switch, single phase AC output voltage display element respectively. The utility model discloses simple structure, convenient to use compare in traditional test method, can simulate a plurality of troubles simultaneously, carry out the test of a plurality of items of examining to the integration power to only need alone can accomplish the test, so simplified the field work flow, can realize the quick test of integration power, improved efficiency of software testing, reduced the fault rate of integration power, improved equipment operating stability.
Description
Technical Field
The utility model relates to an integration power supply test technical field is an integration power supply integrated test device.
Background
With the continuous development of power grids, an integrated power supply system is an indispensable part in the safe operation process of the power grids, the reliability of the integrated power supply system is directly related to whether secondary equipment in a transformer substation can safely and stably operate, the integrated power supply of a power plant and the transformer substation provides a direct-current power supply for tripping/closing of a circuit breaker, relay protection, an automatic device, communication and the like in a normal state, and the integrated power supply plays a role of an independent power supply under the condition of power interruption of the substation, and provides power for the relay protection, the automatic device, communication, emergency lighting, tripping and closing of the circuit breaker and the like. If the integrated power supply fails, the breaker loses the direct-current power supply due to the protection device, so that the protection device is actuated, the accident is expanded, and the power system is endangered.
The integrated power ground is a fault that is prone to occur and is extremely harmful to the power system. The fuse wire is easy to fuse, the breaker is easy to reject action and malfunction due to the grounding of the integrated power supply. Therefore, the integrated power supply needs to be periodically detected. The conventional integrated power supply regular detection working process needs one person to be specially responsible for recording, the other person carries out fault simulation, and the two persons are matched with each other to finish the integrated power supply detection work, so that the problem of inaccurate detection due to matching error easily exists, and potential safety hazards are caused for the safe operation of a power grid.
Disclosure of Invention
The utility model provides an integration power integrated test device has overcome above-mentioned prior art not enough, and it can effectively solve needs two people cooperation wiring record that current two people complex integration power test mode exists, easily makes mistakes, the problem of inefficiency.
The technical scheme of the utility model is realized through following measure: the utility model provides an integrated power supply integrated test device, includes voltage regulating unit, three-phase AC input voltage display element, three-phase AC output voltage display element, single phase AC output voltage display element, exchanges scarce item air switch, the output and the voltage regulating unit input of three-phase AC input voltage display element are connected, and the voltage regulating unit output is connected with three-phase AC output voltage display element's input, exchanges scarce item air switch, single phase AC output voltage display element respectively.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the above may further include a ground resistance simulation unit, the ground resistance simulation unit including a plurality of sliding varistors, one end of each of the sliding varistors being grounded.
The air switch also comprises a three-phase alternating current input air switch and a three-phase alternating current output air switch, wherein the output end of the three-phase alternating current input air switch is connected with the input end of the voltage regulating unit, and the output end of the voltage regulating unit is connected with the input end of the three-phase alternating current output air switch.
The three-phase alternating current input on-off display unit is connected with the input end of the voltage regulating unit, and the three-phase alternating current output on-off display unit is respectively connected with the output ends of the two-phase alternating current missing air switch and the alternating current missing air switch which are not connected with the alternating current missing air switch in the output end of the voltage regulating unit.
The above-mentioned can also include the insulating casing, be provided with three-phase AC input terminal, three-phase AC output terminal on the insulating casing, can adjust the voltage regulation knob of voltage regulation unit output voltage, ground terminal, a plurality of ground resistance simulation terminals, a plurality of resistance adjustment knobs that can adjust slide rheostat, ground resistance simulation terminal, resistance adjustment knob, the quantity of slide rheostat is the same, and the one-to-one correspondence, three-phase AC input voltage display element, three-phase AC output voltage display element, exchange scarce item air switch, three-phase AC input air switch, three-phase AC output air switch, three-phase AC input on-off display element and three-phase AC output on-off display element all set up on the insulating casing, voltage regulation unit and slide rheostat all set up in the insulating casing.
Drawings
Fig. 1 is a schematic circuit diagram of a part of the preferred embodiment of the present invention.
Fig. 2 is a schematic circuit diagram of another part of the preferred embodiment of the present invention.
Fig. 3 is a schematic structural view of the preferred embodiment of the present invention.
The codes in the figures are respectively: v1 is a three-phase ac input voltage display unit, V2 is a three-phase ac output voltage display unit, V3 is a single-phase ac output voltage display unit, K1 is an ac open-top air switch, R is a slide rheostat, K2 is a three-phase ac input air switch, K3 is a three-phase ac output air switch, D1 is a three-phase ac input on-off display unit, D2 is a three-phase ac output on-off display unit, 1 is an insulating case, 2 is a three-phase ac input terminal, 3 is a three-phase ac output terminal, 4 is a voltage regulating knob, 5 is a ground terminal, 6 is a ground resistance analog terminal, and 7 is a resistance regulating knob.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout pattern of fig. 3 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in fig. 1 and 2, the integrated power supply comprehensive testing device comprises a voltage regulating unit, a three-phase alternating input voltage display unit V1, a three-phase alternating output voltage display unit V2, a single-phase alternating output voltage display unit V3 and an alternating-current open air switch K1, wherein the output end of the three-phase alternating input voltage display unit V1 is connected with the input end of the voltage regulating unit, and the output end of the voltage regulating unit is respectively connected with the input end of the three-phase alternating output voltage display unit V2, the alternating-current open air switch K1 and the single-phase alternating output voltage display unit V3.
In the technical scheme, the integrated power supply is tested by combining the voltage regulating unit, the three-phase alternating-current input voltage display unit V1, the three-phase alternating-current output voltage display unit V2, the single-phase alternating-current output voltage display unit V3 and the alternating-current open-top air switch K1. The voltage regulating unit can be a three-phase voltage regulator, the voltage regulating range of the three-phase voltage regulator can be 0V to 430V, and the power can be 0.5 kW; the three-phase alternating-current input voltage display unit V1, the three-phase alternating-current output voltage display unit V2 and the single-phase alternating-current output voltage display unit V3 are used for workers to check input voltage, output voltage and single-phase voltage, the three-phase alternating-current input voltage display unit V1 and the three-phase alternating-current output voltage display unit V2 can be three-phase alternating-current digital voltmeters, parameters of the three-phase alternating-current input voltage display unit V1 and parameters of the three-phase alternating-current output voltage display unit V2 can be voltage display ranges of 0V to 500V and 0.5 level, the single-phase alternating-current output voltage display unit V3 can be a single-phase alternating-current digital voltmeters, the three-phase alternating-; the capacity of the AC lacuna air switch K1 can be 3A; the AC air switch K1 is connected in series with any phase of the output end of the voltage regulating unit.
The specific test procedure is as follows:
ATS device switching test of integrated power supply
1. During testing, the input end of the middle voltage regulating unit of the utility model is connected with a power frequency three-phase alternating current power supply, and the output ends of a two-phase and alternating current open air switch K1 which are not connected with an alternating current open air switch K1 in the output end of the middle voltage regulating unit of the utility model are connected with the ATS device main circuit input in the integrated power supply through a test line;
2. the output voltage of the utility model is adjusted by the voltage adjusting unit to simulate the overvoltage and undervoltage of the AC power supply; the open-phase of the alternating current power supply is simulated by disconnecting the alternating current open-phase air switch K1; at the moment, whether the ATS device in the integrated power supply can be automatically switched to a standby power supply to operate or not when the alternating current power supply is over-voltage or under-voltage and the alternating current is out of phase is checked, so that the reliability of the ATS device in the integrated power supply is judged;
secondly, simulating the input overvoltage, undervoltage and AC open-phase faults of the AC power supply of the DC system, and testing the integrated power supply
1. During testing, the input end of the middle voltage regulating unit of the utility model is connected with a power frequency three-phase alternating current power supply, and the output ends of the two-phase and alternating current open air switch K1 which are not connected with the alternating current open air switch K1 in the output end of the middle voltage regulating unit of the utility model are connected with the alternating current input terminal of the integrated power supply;
2. the output voltage of the utility model is adjusted by the voltage adjusting unit to simulate the overvoltage and undervoltage of the AC power supply; the open-phase of the alternating current power supply is simulated by disconnecting the alternating current open-phase air switch K1; observing whether the operation condition of a high-frequency power supply module in the integrated power supply and the overvoltage and undervoltage protection functions are normal;
thirdly, simulating the alternating current to flow into the direct current fault and testing the integrated power supply
1. During testing, the input end of the voltage regulating unit is connected with the power frequency three-phase alternating current power supply, and one direct current feeder line screen connected with the integrated power supply of the output end of the voltage regulating unit is opened;
2. the output voltage of the utility model is adjusted through the voltage adjusting unit (the output voltage can be adjusted to 10V), and the direct current feeder screen is opened; and observing whether the integrated power supply system can detect the alternating current and direct current, and sending out an acousto-optic alarm signal.
To sum up the utility model discloses simple structure, convenient to use compare in traditional test method, can simulate a plurality of faults simultaneously, carry out a plurality of tests of examining the project to the integration power to only need alone can accomplish the test, so simplified the on-the-spot work flow, can realize the quick test of integration power, improved efficiency of software testing, reduced the fault rate of integration power, improved equipment operating stability.
The integrated power supply comprehensive test device can be further optimized or/and improved according to actual needs:
as shown in fig. 2, the ground resistance simulation unit further includes a plurality of slide varistors R, and the sliding pieces and one end of each slide rheostor R are grounded.
In the above technical solution, the ground resistance simulation unit includes a plurality of sliding varistors R, and an overall resistance adjustment range of the ground resistance simulation unit may be 0 Ω to 50K Ω. In order to simulate the multipoint ground fault of the direct current system or the two-pole ground fault, the utility model discloses a slide rheostat R can be equipped with 4.
The utility model discloses in, ground resistance analog unit is used for simulating direct current ground fault, and concrete test procedure is as follows:
1. during testing, the grounding ends of all the slide rheostats R of the utility model are grounded through the test wire, and the output ends of all the slide rheostats R of the utility model are connected with a certain direct current feeder branch of the integrated power supply through the test wire;
2. and adjusting the output total resistance (the output total resistance can be adjusted to 25k omega) by adjusting the output resistance of each sliding rheostat R, observing whether the integrated power supply can detect the ground fault of the direct-current feeder line, and correctly selecting a branch of the ground feeder line.
As shown in the attached figure 1, the air conditioner also comprises a three-phase alternating current input air switch K2 and a three-phase alternating current output air switch K3, wherein the output end of the three-phase alternating current input air switch K2 is connected with the input end of a voltage regulating unit, and the output end of the voltage regulating unit is connected with the input end of a three-phase alternating current output air switch K3.
In the above technical solution, the three-phase ac input air switch K2 and the three-phase ac output air switch K3 are both known in the art, and have a capacity of 15A, and are respectively used for controlling on/off of input and output.
As shown in fig. 1, the air conditioner further comprises a three-phase alternating current input on-off display unit D1 and a three-phase alternating current output on-off display unit D2, wherein the three-phase alternating current input on-off display unit D1 is connected with the input end of the voltage regulating unit, and the three-phase alternating current output on-off display unit D2 is respectively connected with the output ends of the two-phase alternating current missing air switch K1 which is not connected with the alternating current missing air switch K1 in the output end of the voltage regulating unit.
Among the above-mentioned technical scheme, three-phase AC input break-make display element D1 and three-phase AC output break-make display element D2 are current well-known technology, all can include three pilot lamp for instruct the break-make of three-phase AC input and three-phase AC output, and understand with the staff the utility model discloses an operating condition.
As shown in fig. 3, the air conditioner further comprises an insulating housing 1, wherein a three-phase ac input terminal 2, a three-phase ac output terminal 3, a voltage regulating knob 4 capable of regulating the output voltage of the voltage regulating unit, a grounding terminal 5, a plurality of grounding resistance analog terminals 6, a plurality of resistance regulating knobs 7 capable of regulating the sliding rheostat R are arranged on the insulating housing 1, the number of the grounding resistance analog terminals 6, the number of the resistance regulating knobs 7 and the number of the sliding rheostat R are the same, and the three-phase ac input terminal 2 is in one-to-one correspondence with the input end of the three-phase ac input air switch K2, the three-phase ac output terminal 3 is connected with the output end of the three-phase ac output air switch K3, the grounding terminal 5 is connected with the sliding piece and one end of each sliding rheostat R, and each; the three-phase alternating-current input voltage display unit V1, the three-phase alternating-current output voltage display unit V2, the alternating-current item missing air switch K1, the three-phase alternating-current input air switch K2, the three-phase alternating-current output air switch K3, the three-phase alternating-current input on-off display unit D1 and the three-phase alternating-current output on-off display unit D2 are all arranged on the insulating shell 1, and the voltage regulating unit and the slide rheostat R are all arranged in the insulating shell 1.
Among the above-mentioned technical scheme, be provided with three-phase AC input terminal 2, three-phase AC output terminal 3, can adjust the voltage regulation knob 4 of voltage regulation unit output voltage, a plurality of ground resistance analog terminal 6, a plurality of resistance adjust knob 7 that can adjust slide rheostat R on insulating housing 1, can realize quick wiring, the test of being convenient for.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
Claims (7)
1. The integrated power supply comprehensive testing device is characterized by comprising a voltage regulating unit, a three-phase alternating-current input voltage display unit, a three-phase alternating-current output voltage display unit, a single-phase alternating-current output voltage display unit and an alternating-current missing air switch, wherein the output end of the three-phase alternating-current input voltage display unit is connected with the input end of the voltage regulating unit, and the output end of the voltage regulating unit is respectively connected with the input end of the three-phase alternating-current output voltage display unit, the alternating-current missing air switch and the single-phase alternating-current output voltage display unit.
2. The integrated power supply comprehensive test device according to claim 1, further comprising a ground resistance simulation unit, wherein the ground resistance simulation unit comprises a plurality of slide varistors, and one end of each of the slide varistors is grounded.
3. The integrated power supply comprehensive test device according to claim 1, further comprising a three-phase alternating current input air switch and a three-phase alternating current output air switch, wherein an output end of the three-phase alternating current input air switch is connected with an input end of the voltage regulating unit, and an output end of the voltage regulating unit is connected with an input end of the three-phase alternating current output air switch.
4. The integrated power supply comprehensive test device according to claim 2, further comprising a three-phase alternating current input air switch and a three-phase alternating current output air switch, wherein an output end of the three-phase alternating current input air switch is connected with an input end of the voltage regulating unit, and an output end of the voltage regulating unit is connected with an input end of the three-phase alternating current output air switch.
5. The integrated power supply comprehensive test device according to claim 1, 2 or 3, characterized by further comprising a three-phase alternating current input on-off display unit and a three-phase alternating current output on-off display unit, wherein the three-phase alternating current input on-off display unit is connected with the input end of the voltage regulating unit, and the three-phase alternating current output on-off display unit is respectively connected with two phases of the output end of the voltage regulating unit which are not connected with the alternating current missing air switch and the output end of the alternating current missing air switch.
6. The integrated power supply comprehensive test device according to claim 4, further comprising a three-phase alternating current input on-off display unit and a three-phase alternating current output on-off display unit, wherein the three-phase alternating current input on-off display unit is connected with the input end of the voltage regulating unit, and the three-phase alternating current output on-off display unit is respectively connected with two phases of the output end of the voltage regulating unit which are not connected with the alternating current missing air switch and the output end of the alternating current missing air switch.
7. The integrated power supply comprehensive test device according to claim 6, further comprising an insulating housing, the insulating shell is provided with a three-phase alternating current input terminal, a three-phase alternating current output terminal, a voltage regulating knob capable of regulating the output voltage of the voltage regulating unit, a grounding terminal, a plurality of grounding resistance simulation terminals and a plurality of resistance regulating knobs capable of regulating the slide rheostats, the number of the grounding resistance simulation terminals, the number of the resistance regulating knobs and the number of the slide rheostats are the same, and the three-phase alternating current input voltage display unit, the three-phase alternating current output voltage display unit, the alternating current missing air switch, the three-phase alternating current input air switch, the three-phase alternating current output air switch, the three-phase alternating current input on-off display unit and the three-phase alternating current output on-off display unit are arranged on the insulating shell, and the voltage regulating unit and the sliding rheostat are arranged in the insulating shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022121685.9U CN213210413U (en) | 2020-09-24 | 2020-09-24 | Integrated power supply comprehensive testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022121685.9U CN213210413U (en) | 2020-09-24 | 2020-09-24 | Integrated power supply comprehensive testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213210413U true CN213210413U (en) | 2021-05-14 |
Family
ID=75822621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022121685.9U Active CN213210413U (en) | 2020-09-24 | 2020-09-24 | Integrated power supply comprehensive testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213210413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219741A (en) * | 2022-04-18 | 2022-10-21 | 浙江双宇电子科技有限公司 | A test jig for lamps and lanterns multi-scheme detects |
-
2020
- 2020-09-24 CN CN202022121685.9U patent/CN213210413U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219741A (en) * | 2022-04-18 | 2022-10-21 | 浙江双宇电子科技有限公司 | A test jig for lamps and lanterns multi-scheme detects |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1385015B1 (en) | Tester for a plurality of circuit breakers having a range of rated currents and multiple trip functions | |
| CN111694288B (en) | On-site feeder automation function closed-loop automatic test platform | |
| CN109407036A (en) | A kind of full-automatic calibrating installation of batch current transformer based on PLC control | |
| CN201540676U (en) | Factory power supply integrated automatic training device | |
| CN103605357A (en) | Test system for power distribution network boundary switch control apparatus | |
| CN111239652A (en) | Polarity testing device for current transformer | |
| CN101931172A (en) | Electric debugging method of dry-quenching power distribution system | |
| CN213210413U (en) | Integrated power supply comprehensive testing device | |
| CN105203948A (en) | Circuit breaker integrated test device | |
| CN112285447A (en) | Switch drawer test circuit and test equipment | |
| CN113687220A (en) | Simulation device and method for spring energy storage type vacuum circuit breaker | |
| CN113030780A (en) | Fault simulation device for direct current system of transformer substation | |
| CN213275909U (en) | Integrated power supply comprehensive testing device | |
| CN210142411U (en) | Universal power supply station practical training operating system and anti-electricity-stealing practical training circuit thereof | |
| CN217954588U (en) | Join in marriage net secondary operation auxiliary device | |
| CN112230158A (en) | Power grid integrated power supply testing device | |
| CN115331497A (en) | Power distribution network equipment comprehensive uninterrupted construction modular simulation training simulation system | |
| CN105929281B (en) | Automatic switching and checking integrated machine | |
| CN214174589U (en) | Power distribution true test load simulation device | |
| CN204516201U (en) | Comprehensive cable distribution Simulated training device is installed in interior lines | |
| CN114441896A (en) | Distribution network automation simulation platform and FTU detection method | |
| CN205193183U (en) | Novel multi -functional check -up car | |
| Hibatullah et al. | Monitoring of Protection System for Overvoltage Faults in Distribution Networks | |
| CN207818009U (en) | Low-voltage distribution apparatus integration practical training system and device | |
| Khattak et al. | Design and Implementation of Protective Relays Benches |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |