CN210863900U - Uninterrupted spare power automatic switching operation simulation calibration device - Google Patents
Uninterrupted spare power automatic switching operation simulation calibration device Download PDFInfo
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- CN210863900U CN210863900U CN201921433071.5U CN201921433071U CN210863900U CN 210863900 U CN210863900 U CN 210863900U CN 201921433071 U CN201921433071 U CN 201921433071U CN 210863900 U CN210863900 U CN 210863900U
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Abstract
The utility model provides a no outage formula is equipped with and hauls oneself willingly into operation simulation calibration equipment, including the empty division of I generating line one-level voltage, the empty division of I generating line second grade voltage, the empty division of II generating line one-level voltage, the empty division of II generating line second grade voltage, the calibration instrument, the spare power haulage device gathers the secondary voltage of I generating line through the empty division of I generating line one-level voltage, gather the secondary voltage of II generating line through the empty division of II generating line one-level voltage, the calibration instrument is established ties with the empty division of I generating line second grade voltage, in order to gather the secondary voltage of I generating line, the calibration instrument is established ties with the empty division of II generating line second grade voltage, in order to gather the secondary voltage of II generating line, the calibration instrument, the empty division of I generating line second grade voltage, the empty division of II generating line second grade voltage is connected in parallel with; the utility model discloses under the condition of not interfering 1 number generating line and 2 number generating line work or loads, can check-up at any time, adopt the empty division of No. I generating line second grade voltage to be equipped with from switching and calibration equipment and generating line isolation, need not to have a power failure and detect.
Description
Technical Field
The utility model relates to the field of electric power technology, especially, relate to a uninterrupted power supply is equipped with automatic switching operation simulation calibration equipment.
Background
Due to the constraint of the system operation mode, switches related to the spare power automatic switching device are all operation equipment, and once the switches are tripped, power loss is caused. When the spare power automatic switching device is switched, the program operation executed in the spare power automatic switching device is as follows: the standby power automatic switching is in voltage loss action when the No. 1 bus is cut off and then is in operation when the No. 2 bus is connected; or the standby power automatic switching device is in a voltage loss action of cutting off the No. 2 bus and then in a commissioning action of switching on the No. 1 bus, the two action processes are very fast, but time is also consumed, for example, 2-3s, in order to detect the standby power automatic switching device regularly, an internal program of the standby power automatic switching device needs to be subjected to a simulation experiment, however, due to the limitation of operating equipment, the device is not allowed to be subjected to breaker tripping and closing tests, and the positions of switches cannot be displayed visually.
In the prior art, the scheme for performing the regular inspection on the spare power automatic switching device is realized by disassembling and separating the spare power automatic switching device and operating equipment, and the mode has the defect of adopting off-line detection.
Disclosure of Invention
There is a need for a non-power-off backup power automatic switching operation simulation verification device.
A non-power-off type spare power automatic switching operation simulation calibration device comprises a first-level voltage air switch of a bus I, a second-level voltage air switch of the bus I, a first-level voltage air switch of a bus II, a second-level voltage air switch of the bus II and a calibration instrument, wherein the spare power automatic switching device acquires a secondary voltage of the bus I through the first-level voltage air switch of the bus I, acquires a secondary voltage of the bus II through the first-level voltage air switch of the bus II, the calibration instrument is connected with the second-level voltage air switch of the bus I in series to acquire the secondary voltage of the bus I, the calibration instrument is connected with the second-level voltage air switch of the bus II in series to acquire the secondary voltage of the bus II, and the calibration instrument, the second-level voltage air switch of the bus I and the second-level voltage air switch of the bus II are connected with the spare;
the checking instrument is internally provided with a voltage loss detection circuit, a direct current control circuit, an alternating current control circuit, a display circuit and a timing circuit, wherein the voltage loss detection circuit comprises a first voltage loss relay and a second voltage loss relay, the first voltage loss relay is connected with a No. I bus secondary voltage air switch to synchronously act with the No. I bus secondary voltage air switch, and the second voltage loss relay is connected with a No. II bus secondary voltage air switch ZK21 to synchronously act with the No. II bus secondary voltage air switch ZK 21;
the direct current control circuit is externally connected with a direct current power supply and comprises a first direct current relay, a second direct current relay and a third direct current relay, a normally open node of the first direct current relay is connected with a normally open node of the first no-voltage relay, a normally open node of the second direct current relay is connected with a normally open node of the second no-voltage relay, and a normally open node of the third direct current relay is connected with a breaking switch node of the spare power automatic switching device;
the timing circuit comprises a first time relay, a second time relay and a third time relay, wherein the first time relay is connected with a first no-voltage relay, the first time relay is also connected with a bus cut-off node No. 1 of the spare power automatic switching device, the second time relay is connected with a second no-voltage relay, the second time relay is also connected with a bus cut-off node No. 2 of the spare power automatic switching device, the third time relay is connected with the first no-voltage relay and the second no-voltage relay, and the third time relay is also connected with a breaking switch node of the spare power automatic switching device;
the alternating current control circuit is externally connected with alternating current, the alternating current control circuit comprises a first alternating current relay, a second alternating current relay and a third alternating current relay, the first alternating current relay, the second alternating current relay and the third alternating current relay are respectively connected with the first direct current relay, the second direct current relay and the third direct current relay so as to synchronously act with the first direct current relay, the second direct current relay and the third direct current relay, the display circuit comprises No. 1 signal lamp red, No. 1 signal lamp green, No. 2 signal lamp red, No. 2 signal lamp green, No. 3 signal lamp red and No. 3 signal lamp green, the normally closed contact of the first alternating current relay is connected with No. 1 signal lamp red, the normally open contact of the first alternating current relay is connected with No. 2 signal lamp red, the normally open contact of the second alternating current relay is connected with No. 2 signal lamp green, and the normally closed contact of the third alternating current relay is connected with No. 3 signal lamp green, the normally open contact of the third alternating current relay is connected with the No. 3 signal lamp to realize the synchronous display of the signal lamp
Preferably, the first direct current relay, the second direct current relay and the third direct current relay are self-holding relays.
The utility model discloses under the condition of not interfering 1 number generating line and 2 number generating line work or loads, can check-up at any time, adopt the empty division of No. I generating line second grade voltage to be equipped with from switching and calibration equipment and generating line isolation, need not to have a power failure and detect.
Drawings
Fig. 1 is a schematic diagram of a uninterruptible backup power automatic switching operation simulation verification device.
FIG. 2 is a circuit diagram of the checking instrument.
Fig. 3 is a dc control circuit diagram.
Fig. 4 is a timing circuit diagram.
Fig. 5 is an ac control circuit diagram.
In the figure: the bus-bar air-break system comprises a first-level bus voltage air-break ZK1, a second-level bus voltage air-break ZK11, a first-level bus voltage air-break ZK2, a second-level bus voltage air-break ZK21, a disconnecting switch ZK3, a first no-voltage relay SY1, a second no-voltage relay SY2, a first direct-current relay ZJ1, a second direct-current relay ZJ2, a third direct-current relay ZJ3, a first alternating-current relay JJ1, a second alternating-current relay JJ2 and a third alternating-current relay JJ 3.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
The embodiment of the utility model provides a not outage formula is equipped with automatic switching operation simulation calibration equipment, its characterized in that: the device comprises a first-level voltage air switch ZK1 of a No. I bus, a second-level voltage air switch ZK11 of the No. I bus, a first-level voltage air switch ZK2 of a No. II bus, a second-level voltage air switch ZK21 of a No. II bus and a checking instrument, wherein the spare power automatic switching device acquires a secondary voltage of the No. I bus through a first-level voltage air switch ZK1 of the No. I bus, acquires a secondary voltage of the No. II bus through a first-level voltage air switch ZK2 of the No. II bus, the checking instrument is connected with a second-level voltage air switch ZK11 of the No. I bus in series to acquire the secondary voltage of the No. II bus, and the checking instrument, the second-level voltage air switch ZK11 of the No. I bus, the second-level voltage air switch ZK21 of the No. II bus and the spare power automatic switching device are connected in parallel; as shown in FIG. 1;
the checking instrument is internally provided with a voltage loss detection circuit, a direct current control circuit, an alternating current control circuit, a display circuit and a timing circuit, wherein the voltage loss detection circuit comprises a first voltage loss relay SY1 and a second voltage loss relay SY2, the first voltage loss relay SY1 is connected with a No. I bus secondary voltage air switch ZK11 to synchronously act with the No. I bus secondary voltage air switch ZK11, and the second voltage loss relay SY2 is connected with a No. II bus secondary voltage air switch ZK21 to synchronously act with the No. II bus secondary voltage air switch ZK 21; as shown in FIG. 2;
the direct current control circuit is externally connected with a direct current power supply (for example, the direct current control circuit can be led out from a stopped device screen), the direct current control circuit comprises a first direct current relay ZJ1, a second direct current relay ZJ2 and a third direct current relay ZJ3, a normally open node of the first direct current relay ZJ1 is connected with a normally open node of a first no-voltage relay SY1 to detect the No. 1 bus no-voltage action, a normally open node of a second direct current relay ZJ2 is connected with a normally open node of a second no-voltage relay SY2 to detect the No. 2 bus no-voltage action, and a normally open node of the third direct current relay ZJ3 is connected with a disconnecting switch ZK3 node of the backup power automatic switching to detect the action of the backup power automatic switching and the No. 1 bus or the No. 2 bus on; as shown in FIG. 3;
the timing circuit comprises a first time relay, a second time relay and a third time relay, wherein the first time relay is connected with a first no-voltage relay SY1 to receive a No. 1 bus no-voltage signal, so that the first time relay is started to start timing action, the first time relay is also connected with a No. 1 bus cut-off node of the spare power automatic switch to receive a No. 1 bus cut-off action signal of the spare power automatic switch, so that the timing action of the first time relay is suspended, the action time from the start of judging No. 1 bus No. voltage loss of the spare power automatic switch to the jump-off of a No. I bus primary voltage air switch ZK1 is recorded, the whole action is kept after the whole action is completed once, until a maintainer records time and disconnects an FG reset button to reset the original state, the second time relay is connected with a second no-voltage relay 2 to receive the No. 2 bus No. voltage signal, so that the second time relay is started to start timing action, the second time relay is also connected with a bus cut-off node 2 of the backup power automatic switch to receive a bus action signal of the backup power automatic switch to cut off the bus 2, so that the timing action of the second time relay is suspended, the action time from the start of judging the bus voltage loss of the backup power automatic switch by the bus 2 to the tripping of a bus one-level voltage air switch ZK2 of the bus II is recorded, the third time relay is connected with a first voltage-loss relay SY1 and a second voltage-loss relay SY2 to synchronously receive a bus voltage-loss signal of the bus 1 or a bus voltage-loss signal of the bus 2 with the first time relay and the second time relay so as to start timing, and the third time relay is also connected with a break switch ZK3 node of the backup power automatic switch to receive the switching action information of the backup power automatic switch and the bus 1 or the bus 2 so as to suspend the timing action of the third time relay; the third time relay records the total time from the judgment of voltage loss of the backup power automatic switching to the final switching on of the disconnecting switch ZK3 to complete the standby power supply switching; as shown in FIG. 2;
the alternating current control circuit is externally connected with alternating current, the alternating current control circuit comprises a first alternating current relay JJ1, a second alternating current relay JJ2 and a third alternating current relay JJ3, a first alternating current relay JJ1, a second alternating current relay JJ2 and a third alternating current relay JJ3 which are respectively connected with a first direct current relay ZJ1, a second direct current relay ZJ2 and a third direct current relay ZJ3 and synchronously act with a first direct current relay ZJ1, a second direct current relay ZJ2 and a third direct current relay ZJ3, the display circuit comprises a No. 1 signal lamp red, a No. 1 signal lamp green, a No. 2 signal lamp red, a No. 2 signal lamp green, a No. 3 signal lamp green, a normally closed contact of the first alternating current relay JJ1 is connected with a No. 1 signal lamp red, a normally open contact of the first alternating current relay JJ1 is connected with a normally closed contact of the second alternating current relay JJ2 is connected with a No. 2 signal lamp red, a normally open contact of the second alternating current relay JJ2 is connected with a No., the normally closed contact of the third alternating current relay JJ3 is connected with the signal lamp green No. 3, and the normally open contact of the third alternating current relay JJ3 is connected with the signal lamp red No. 3, so that the synchronous display of the signal lamps is realized. As shown in fig. 4 and 5.
The utility model discloses under the condition of not interfering 1 number generating line and 2 number generating line work or loads, can check-up at any time, adopt No. I generating line second grade voltage air-break ZK11 will be equipped with oneself with haulage fully and calibration equipment keeps apart with the generating line, need not to have a power failure and detects.
The utility model simulates the state of No. 1 bus voltage loss and No. 2 bus voltage loss by operating the disconnection of the I bus primary voltage air switch ZK1 and the II bus primary voltage air switch ZK2, then before the spare power automatic switching device is put into use, the control circuit breaker of the voltage-loss bus needs to be disconnected for the second time, although the spare power automatic switching device is isolated in the experiment, the internal logic process of the spare power automatic switching device is still executed, therefore, when experimenters break off and simulate the No. 1 bus and the No. 2 bus, the backup power automatic switching device synchronously detects the voltage loss of the bus, the signal triggers the internal logic of the backup power automatic switch, the backup power automatic switch operates according to the internal set time fixed value, when the backup bus is switched on, the open circuit of the voltage-losing bus needs to be confirmed again, therefore, the backup power automatic switch still sends out the action of tripping the I bus primary voltage air switch ZK1, but the I bus primary voltage air switch ZK1 in the device is not actually executed. The process is a process for making the backup power automatic switching simulate the logic work of the backup power automatic switching, so as to detect the time of the backup power automatic switching.
Further, the first dc relay ZJ1, the second dc relay ZJ2, and the third dc relay ZJ3 are latching relays.
The embodiment of the utility model provides a module or unit in the device can merge, divide and delete according to actual need.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (2)
1. The utility model provides a no outage formula is equipped with automatic switching operation simulation calibration equipment which characterized in that: the standby automatic switching device acquires the secondary voltage of the I bus through the I bus primary voltage air switch, acquires the secondary voltage of the II bus through the II bus primary voltage air switch, the checking instrument is connected with the I bus secondary voltage air switch in series to acquire the secondary voltage of the I bus, the checking instrument is connected with the II bus secondary voltage air switch in series to acquire the secondary voltage of the II bus, and the checking instrument, the I bus secondary voltage air switch, the II bus secondary voltage air switch and the standby automatic switching device are connected in parallel;
the checking instrument is internally provided with a voltage loss detection circuit, a direct current control circuit, an alternating current control circuit, a display circuit and a timing circuit, wherein the voltage loss detection circuit comprises a first voltage loss relay and a second voltage loss relay, the first voltage loss relay is connected with a No. I bus secondary voltage air switch to synchronously act with the No. I bus secondary voltage air switch, and the second voltage loss relay is connected with a No. II bus secondary voltage air switch to synchronously act with the No. II bus secondary voltage air switch;
the direct current control circuit is externally connected with a direct current power supply and comprises a first direct current relay, a second direct current relay and a third direct current relay, a normally open node of the first direct current relay is connected with a normally open node of the first no-voltage relay, a normally open node of the second direct current relay is connected with a normally open node of the second no-voltage relay, and a normally open node of the third direct current relay is connected with a breaking switch node of the spare power automatic switching device;
the timing circuit comprises a first time relay, a second time relay and a third time relay, wherein the first time relay is connected with a first no-voltage relay, the first time relay is also connected with a bus cut-off node No. 1 of the spare power automatic switching device, the second time relay is connected with a second no-voltage relay, the second time relay is also connected with a bus cut-off node No. 2 of the spare power automatic switching device, the third time relay is connected with the first no-voltage relay and the second no-voltage relay, and the third time relay is also connected with a breaking switch node of the spare power automatic switching device;
the alternating current control circuit is externally connected with alternating current, the alternating current control circuit comprises a first alternating current relay, a second alternating current relay and a third alternating current relay, the first alternating current relay, the second alternating current relay and the third alternating current relay are respectively connected with the first direct current relay, the second direct current relay and the third direct current relay so as to synchronously act with the first direct current relay, the second direct current relay and the third direct current relay, the display circuit comprises No. 1 signal lamp red, No. 1 signal lamp green, No. 2 signal lamp red, No. 2 signal lamp green, No. 3 signal lamp red and No. 3 signal lamp green, the normally closed contact of the first alternating current relay is connected with No. 1 signal lamp red, the normally open contact of the first alternating current relay is connected with No. 2 signal lamp red, the normally open contact of the second alternating current relay is connected with No. 2 signal lamp green, and the normally closed contact of the third alternating current relay is connected with No. 3 signal lamp green, and a normally open contact of the third alternating current relay is connected with the No. 3 signal lamp to realize synchronous display of the signal lamp.
2. The utility model provides a no outage formula is equipped with automatic switching operation simulation calibration equipment which characterized in that: the first direct current relay, the second direct current relay and the third direct current relay are self-holding relays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921433071.5U CN210863900U (en) | 2019-08-30 | 2019-08-30 | Uninterrupted spare power automatic switching operation simulation calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921433071.5U CN210863900U (en) | 2019-08-30 | 2019-08-30 | Uninterrupted spare power automatic switching operation simulation calibration device |
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| Publication Number | Publication Date |
|---|---|
| CN210863900U true CN210863900U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921433071.5U Expired - Fee Related CN210863900U (en) | 2019-08-30 | 2019-08-30 | Uninterrupted spare power automatic switching operation simulation calibration device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412390A (en) * | 2019-08-30 | 2019-11-05 | 国网宁夏电力有限公司银川供电公司 | A kind of not electricity cut-off type prepared auto restart running simulation calibration equipment |
| CN113533889A (en) * | 2021-07-26 | 2021-10-22 | 南方电网数字电网研究院有限公司 | Spare power automatic switching uninterrupted visual test method and device based on digital analog circuit breaker |
-
2019
- 2019-08-30 CN CN201921433071.5U patent/CN210863900U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412390A (en) * | 2019-08-30 | 2019-11-05 | 国网宁夏电力有限公司银川供电公司 | A kind of not electricity cut-off type prepared auto restart running simulation calibration equipment |
| CN113533889A (en) * | 2021-07-26 | 2021-10-22 | 南方电网数字电网研究院有限公司 | Spare power automatic switching uninterrupted visual test method and device based on digital analog circuit breaker |
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Granted publication date: 20200626 Termination date: 20210830 |