CN112505442A - Uninterrupted power verification device for spare power automatic switching device, spare power automatic switching device and method - Google Patents
Uninterrupted power verification device for spare power automatic switching device, spare power automatic switching device and method Download PDFInfo
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- CN112505442A CN112505442A CN202011112403.7A CN202011112403A CN112505442A CN 112505442 A CN112505442 A CN 112505442A CN 202011112403 A CN202011112403 A CN 202011112403A CN 112505442 A CN112505442 A CN 112505442A
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- 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
- G01R31/003—Environmental or reliability tests
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The utility model discloses a spare power automatic switching device calibration equipment that does not have a power failure, spare power automatic switching device and method, include: the three-phase voltage source is connected with the bus, and the single-phase voltage source is connected with the incoming line; a resistor is connected in series between the single-phase voltage source and a current inlet of the incoming line; and a normally closed contact of the incoming line circuit breaker is connected with a closing button, and a normally open contact of the incoming line circuit breaker is connected with an opening button. Through adding voltage source, current source on generating line and inlet wire to carry out automatic control to the inlet wire circuit breaker on the inlet wire, realized the check-up that does not have a power failure to being equipped with from switching device.
Description
Technical Field
The disclosure relates to a spare power automatic switching device uninterrupted power supply calibration device, a spare power automatic switching device and a method.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The automatic spare power switching device is called automatic spare power switching device, and is one device for switching the spare power supply automatically and fast after the working power supply trips due to fault.
When a newly-built transformer substation is completed, the whole substation does not have any power supply and load, the spare power automatic switching device can be debugged and checked, however, after the transformer substation is put into operation, the transformer substation cannot cut power of all incoming line power supplies, a spare power automatic switching transmission test cannot meet test conditions, the reliability of the spare power automatic switching device cannot be confirmed, and after a certain incoming line is disconnected, the other incoming line cannot be closed, so that the problem of power loss of the whole substation is caused, and the consequence is very serious.
Disclosure of Invention
The utility model provides a for solve above-mentioned problem, provide a spare power automatic switching device calibration equipment that does not have a power failure, spare power automatic switching device and method, through add voltage source, current source on generating line and inlet wire to carry out automatic control to the inlet wire circuit breaker on the inlet wire, realized the calibration equipment that does not have a power failure to spare power automatic switching device.
In order to achieve the purpose, the following technical scheme is adopted in the disclosure:
in one or more embodiments, a standby power automatic switching device uninterruptible power verification device is provided, including:
the three-phase voltage source is connected with the bus, and the single-phase voltage source is connected with the incoming line;
a resistor is connected in series between the single-phase voltage source and a current inlet of the incoming line;
and a normally closed contact of the incoming line circuit breaker is connected with a closing button, and a normally open contact of the incoming line circuit breaker is connected with an opening button.
In one or more embodiments, the spare power automatic switching device comprises a plurality of power lines, each power line comprises a bus and an incoming line connected with the bus, an incoming line breaker is arranged on the incoming line, the buses of adjacent power lines are connected through a bus coupler breaker, and a non-power-outage verification device of the spare power automatic switching device is installed on each power line.
In one or more embodiments, a method for verifying a backup automatic switching device is provided, including:
closing the bus coupler circuit breaker between the #1 bus and the #2 bus;
closing the isolating switch on the #1 incoming line, and opening the isolating switch on the #1 incoming line;
connecting all three-phase voltage sources with a single-phase voltage source;
a closing button on the #1 inlet wire is pressed, and the #1 inlet wire has current;
and (3) completely disconnecting the single-phase voltage source, separating the incoming line breaker on the #1 incoming line, and closing the incoming line breaker on the #1 incoming line in a delayed manner.
Compared with the prior art, the beneficial effect of this disclosure is:
1. this is disclosed through add the three-phase voltage source on the generating line of being equipped with the automatic switching device, connect single-phase voltage source on the inlet wire to connect the current source on the inlet wire, and control the inlet wire circuit breaker on the inlet wire, realized the check-up that does not have a power failure to the automatic switching device of being equipped with.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a substation wiring diagram according to embodiment 1 of the present disclosure;
FIG. 2 is a schematic diagram of a voltage loop according to embodiment 1 of the disclosure;
FIG. 3 is a schematic diagram of a current loop according to embodiment 1 of the present disclosure;
fig. 4 is a schematic diagram of a signal control loop according to embodiment 1 of the disclosure.
The specific implementation mode is as follows:
the present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.
Example 1
Spare power automatic switching device, include, a plurality of power supply lines, every power supply line all includes the generating line, the inlet wire of being connected with the generating line sets up the inlet wire circuit breaker on the inlet wire, and adjacent power supply line's generating line passes through the female circuit breaker that allies oneself with and connects, and the structure is as shown in figure 1, in order to realize the check-up that does not have a power failure of spare power automatic switching device, has all connected a check-up device that does not have a power failure of spare power automatic switching device on every power supply line.
The utility model discloses a prepare oneself with and put device calibration equipment that does not have a power failure that this embodiment discloses, include:
the three-phase voltage source is connected with the bus, and the single-phase voltage source is connected with the incoming line;
a resistor is connected in series between the single-phase voltage source and a current inlet of the incoming line;
and a normally closed contact of the incoming line circuit breaker is connected with a closing button, and a normally open contact of the incoming line circuit breaker is connected with an opening button.
Furthermore, a normally closed contact of the incoming line breaker is connected with the closing coil, and a normally open contact of the incoming line breaker is connected with the opening coil.
Furthermore, a normally closed contact of the incoming line breaker is connected with the branch position indicating lamp, and a normally open contact of the incoming line breaker is connected with the close position indicating lamp.
Furthermore, a circuit breaker is respectively connected between the three-phase voltage source and the bus and between the single-phase voltage source and the incoming line.
Further, when the normally open contact of the incoming line breaker is closed and the normally closed contact is opened, the KKJ of the incoming line breaker outputs a positive potential, and the incoming line breaker is in a closed state;
when the normally open contact of the incoming line breaker is opened and the normally closed contact is closed, the TWJ of the incoming line breaker outputs a positive potential.
Furthermore, the normally closed contact of the incoming line circuit breaker is connected with the outlets 1 and 2 of the standby power automatic switching device uninterrupted power supply calibration device, the normally open contact of the incoming line circuit breaker is connected with the outlets 3 and 4 of the standby power automatic switching device uninterrupted power supply calibration device, and the KKJ and the TWJ of the incoming line circuit breaker are respectively connected with the outlets 5 and 6 of the standby power automatic switching device uninterrupted power supply calibration device.
Further, when the incoming line breaker is in the closed position, there is current on the incoming line.
The uninterruptible power verification device of the automatic backup power switching device is described in detail by taking the automatic backup power switching of the inlet wire of the internal bridge of the 35kV substation shown in fig. 1 as an example.
The spare power automatic switching requirement of the inner bridge wiring inlet wire of the 35kV transformer substation is as follows: when the buses of 35kV I and II are in no-voltage state, the #1 incoming line has no current, the #2 incoming line has voltage, the incoming line breaker on the #1 incoming line is tripped, and the incoming line breaker on the #2 incoming line is closed after the fact that the incoming line breaker on the #1 incoming line is tripped is confirmed.
The voltage loop structure is shown in fig. 2 and comprises two three-phase alternating-current power supplies and two single-phase voltage sources, wherein the three-phase alternating-current power supplies are a three-phase alternating-current voltage source U1, a three-phase alternating-current voltage source U2, a single-phase voltage source U3 and a single-phase voltage source U4 respectively, phase voltages of all the voltage sources are 57.7V, the three-phase alternating-current voltage source U1 is connected with a #1 bus to provide voltage for the #1 bus, the three-phase alternating-current voltage source U2 is connected with the #2 bus to provide voltage for the #2 bus, the single-phase alternating-current voltage source U3 is connected with the #1 incoming line to provide single-phase voltage for the #1, the single-phase alternating-current voltage source U4 is connected with the #2 incoming line to provide.
A breaker QF1 is connected between a three-phase alternating current voltage source U1 and a #1 bus, a breaker QF2 is connected between a three-phase alternating current voltage source U2 and a #2 bus, a breaker QF3 is connected between a single-phase alternating current voltage source U3 and a #1 incoming line, a breaker QF4 is connected between a single-phase alternating current voltage source U4 and a #2 incoming line, and whether voltage sources on the #1, #2 bus and the #1, #2 incoming line are switched on or not can be adjusted through the switching of the breakers QF1, QF2, QF3 and QF 4.
The two current loops are respectively communicated with current inlets of the #1 inlet wire and the #2 inlet wire, are used for leading in current of the #1 inlet wire and the #2 inlet wire and are respectively connected with auxiliary contact points of the #1 inlet wire and the #2 inlet wire in series, and as shown in fig. 3, each current loop comprises a resistor connected with a single-phase voltage source in series.
The signal control circuit comprises a closing button and a separating indicator lamp which are connected with a normally closed contact of the incoming line breaker, and a separating button and a closing indicator lamp which are connected with a normally open contact of the incoming line breaker, wherein the normally closed contact of the incoming line breaker is connected with a closing coil of the incoming line breaker, and the normally open contact of the incoming line breaker is connected with a separating coil of the incoming line breaker.
The principle is shown in fig. 4:
(1) closing loop principle. When an incoming line breaker 1DL on a #1 incoming line is required to be switched on, a switching-on button HA is pressed, a switching-on coil HQ is electrified, a normally open contact of a switching-on relay is closed, a switching-on relay coil is electrified, the normally open contact of the 1DL is closed, a normally closed contact is disconnected, the normally open contact is closed, a switching-on indicator lamp HW is lightened, and a switching-off indicator lamp FW is extinguished. KKJ (contact 6) of 1DL outputs a positive potential.
(2) The principle of a brake-separating loop. When 1DL is needed to be opened, the opening button TA is pressed, the opening coil TQ is electrified, the normally closed contact TQ of the tripping relay is disconnected, the closing relay coil 1DL is electrified, the normally open contact 1DL is disconnected, the normally closed contact is closed, the opening indicator lamp FW is lightened, and the TWJ (contact 5) of the normally closed contact 1DL outputs a positive potential.
The substation shown in fig. 1 has three substation operation modes, four backup power automatic switching modes, which are respectively:
the operation mode of the transformer substation is as follows: the #1 incoming line breaker is closed, the bus coupler breaker is closed, and the #2 incoming line breaker is separated.
And a second operation mode of the transformer substation: the #1 incoming line breaker is closed, the bus coupler breaker is closed, and the #2 incoming line breaker is separated.
And a third operation mode of the transformer substation: and the #1 incoming line breaker is closed, the #2 incoming line breaker is closed, and the bus coupler breaker is separated.
Backup power supply mode 1: the standby incoming line or main transformer standby switch is suitable for the operation of a power supply 1 and the standby incoming line or main transformer standby switch of a power supply 2.
Charging conditions are as follows: the two sections of buses are both larger than a voltage fixed value, if the voltage of the power supply 2 is required to be larger than the voltage fixed value when the 'detection power supply 2 voltage' is input, the bus-coupled circuit breaker is at the switching-on position, the power supply 1 incoming line circuit breaker is at the switching-on position, the power supply 2 incoming line circuit breaker is at the switching-off position, and other locking conditions are not available.
Discharge conditions: when the position of the incoming line breaker is abnormal, the hand jump/swing jump is locked, the voltage of the power supply 2 is lower than a fixed value, the spare power automatic switching is locked, the incoming line breaker of the power supply 2 is switched on, and the 'switched-on position is switched on' is 1, the switched-on position of the incoming line breaker of the power supply 1 is 0 or the switched-on position of the female circuit breaker is 0, and the like.
The operation conditions are as follows: the voltage of two sections of buses is lower than a non-voltage fixed value, no current flows in the #1 incoming line, the voltage of the power supply 2 is required to be higher than the voltage fixed value when the voltage of the power supply 2 is detected, the power supply 1 incoming line breaker is tripped by the power supply 1 tripping time, and the power supply 1 incoming line breaker is switched on after the fact that the power supply 1 incoming line breaker is tripped is confirmed, and the standby power supply is switched on and delayed.
Backup switching mode 2: the standby incoming line or main transformer standby switch is suitable for the operation of a power supply 2 and the standby incoming line or main transformer standby switch of the power supply 1.
Charging conditions are as follows: the two sections of buses are both larger than a voltage fixed value, if the voltage of the power supply 1 is required to be larger than the voltage fixed value when the 'detection power supply 1 voltage' is input, the bus-coupled circuit breaker is at the switching-on position, the power supply 2 incoming line circuit breaker is at the switching-on position, the power supply 1 incoming line circuit breaker is at the switching-off position, and other locking conditions are not available.
Discharge conditions: when the position of the incoming line breaker is abnormal, the hand jump/swing jump is locked, the voltage of the power supply 1 is lower than a fixed value, the spare power automatic switching is locked, the spare power automatic switching is switched on, the incoming line breaker of the power supply 1 is switched on, and the 'switched-on position is switched on' is 1, the switched-on position of the incoming line breaker of the power supply 1 is 0 or the switched-on position of the female circuit breaker is 0, and the like.
The operation conditions are as follows: the voltage of two sections of buses is lower than a non-voltage fixed value, no current flows in the #2 incoming line, the voltage of the power supply 1 is required to be larger than the voltage fixed value when the voltage of the power supply 1 is detected, the power supply 2 incoming line breaker is tripped through the power supply 2 tripping time, and the power supply 1 incoming line breaker is switched on after the power supply 2 incoming line breaker is determined to be tripped, and the standby power supply is switched on for delaying.
Backup power supply mode 3: the device is suitable for the inlet wire or main transformer standby power supply of two power supplies running, sectional (inner bridge) jumping and I bus voltage loss.
Charging conditions are as follows: the two sections of bus voltage are both larger than a fixed value, the bus-coupled circuit breaker is at the opening position, the two incoming line circuit breakers are at the closing position, and no other locking condition exists.
Discharge conditions: when the position of the incoming line breaker is abnormal, the hand trip/hand-operated locking is performed, the voltage of two sections of buses is lower than a fixed value, the locking of the spare power automatic switching is performed, the spare power automatic switching is performed to switch on the bus coupler breaker, and the 'closed position is switched on' is 1, the closed position of the incoming line breaker of the power supply 1 is 0 or the closed position of the incoming line breaker of the power supply 2 is 0 and the like.
The operation conditions are as follows: the I bus voltage is lower than a non-voltage fixed value, no current flows in the incoming line of the power supply 1, the II bus has voltage, and the bus coupler circuit breaker is switched on in a delayed manner after the circuit breaker is determined to be switched off by the circuit breaker of the incoming line of the power supply 1 through the delay tripping power supply 1.
Backup switching mode 4: the device is suitable for the inlet wire or main transformer standby power supply of two power supplies running, sectional (inner bridge) jumping and II bus voltage loss.
Charging conditions are as follows: the two sections of bus voltage are both larger than a fixed value, the bus-coupled circuit breaker is at the opening position, the two incoming line circuit breakers are at the closing position, and no other locking condition exists.
Discharge conditions: when the position of the incoming line breaker is abnormal, the hand trip/hand-operated locking is performed, the voltage of two sections of buses is lower than a fixed value, the locking of the spare power automatic switching is performed, the spare power automatic switching is performed to switch on the bus coupler breaker, and the 'closed position is switched on' is 1, the closed position of the incoming line breaker of the power supply 1 is 0 or the closed position of the incoming line breaker of the power supply 2 is 0 and the like.
The operation conditions are as follows: the voltage of the II bus is lower than a non-voltage fixed value, no current flows in the incoming line of the power supply 2, the I bus has voltage, and the bus-coupled circuit breaker is delayed and closed after the circuit breaker is confirmed to be tripped out by the time-delay tripping power supply 2.
The principle of the uninterruptible power calibration device of the automatic backup power switching device is explained by combining a first transformer substation operation mode and a first backup power switching mode 1, wherein the automatic backup power switching device has the following requirements: the 35kV #1 incoming line has a total station load, the incoming line breaker 1DL on the #1 incoming line is closed, the bus coupler breaker 3DL between the #1 bus and the #2 bus is closed, and the incoming line breaker 2DL on the #2 incoming line is separated
(1) System wiring: measures for preventing the substation from stopping completely (mainly adopting tripping pressure plate release or tripping outlet line release) are firstly taken. The method is characterized in that U1, U2, U3 and U4 in the spare power automatic switching device uninterrupted power supply verification device are respectively connected to a #1 bus, #2 bus, #1 incoming line and #2 incoming line of the spare power automatic switching device, current loops I1 and I2 are respectively connected to a #1 incoming line and a #2 incoming line current inlet of the spare power automatic switching device, outlets 1 and 2 of the spare power automatic switching device uninterrupted power supply verification device uninterrupted power supply are connected to a normally closed contact of a spare power automatic switching device 1DL, outlets 3 and 4 are connected to a normally open contact of the spare power automatic switching device 1DL, and an outlet 5 and an outlet 6 are respectively connected to KKJ and TWJ of the 1 DL.
(2) The test steps are as follows: the isolation disconnecting links on the two sides of the incoming line breaker 2DL of the #2 incoming line are pulled open when the incoming line breaker 2DL is in the open position; QF1, QF2, QF3 and QF4 of a spare power automatic switching device uninterrupted power supply verification device are respectively connected, so that the pressure of buses of 35kV #1 and #2 is ensured, and the pressure of incoming lines of #1 and #2 is ensured; when a closing button HA is pressed, a 1DL normally closed contact is disconnected, a 1DL normally open contact is closed, a closing indicator light HW is lightened, current flows in a #1 inlet wire, and a spare power automatic switching device finishes charging according to a mode 1 and then is lightened; the method is characterized in that QF1 and QF2 are disconnected to ensure that 35kV #1 and #2 buses are in no-voltage state, a #1 inlet wire I1 has no current, a #2 inlet wire U4 has voltage, the spare power automatic switching device operates according to the mode 1, the 3 and 4 contacts of the spare power automatic switching device are closed, a tripping coil TQ is electrified, a 1DL normally open contact is opened, a normally closed contact is closed, a position division indicator lamp FW is lightened, a TWJ (contact 6) of the 1DL outputs a positive potential, the TWJ of the 1DL in the spare power automatic switching device is 1, after the 1DL is confirmed to be tripped, an inlet wire breaker (2DL) on the #1 inlet wire is delayed, and the spare power automatic switching mode 1 operates correctly.
The debugging and checking modes of the spare power switching mode 2, the spare power switching mode 3 and the spare power switching mode 4 are similar.
Example 2
The embodiment discloses a spare power automatic switching device, including a plurality of power supply lines, every power supply line all includes the generating line, the inlet wire of being connected with the generating line sets up the inlet wire circuit breaker on the inlet wire, and the generating line of adjacent power supply line passes through the female circuit breaker that allies oneself with and connects, all installs the spare power automatic switching device that embodiment 1 disclosed on every power supply line and does not have the check-up device that stops.
Furthermore, both ends of the incoming line breaker are provided with isolating switches on the incoming line.
Example 3
The embodiment discloses a method for verifying a spare power automatic switching device, which comprises the following steps:
closing the bus coupler circuit breaker between the #1 bus and the #2 bus;
closing the isolating switch on the #1 incoming line, and opening the isolating switch on the #1 incoming line;
connecting all three-phase voltage sources with a single-phase voltage source;
a closing button on the #1 inlet wire is pressed, and the #1 inlet wire has current;
and (3) completely disconnecting the single-phase voltage source, separating the incoming line breaker on the #1 incoming line, and closing the incoming line breaker on the #1 incoming line in a delayed manner.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. The utility model provides a check-up device that does not have a power failure of spare power automatic switching device which characterized in that includes:
the three-phase voltage source is connected with the bus, and the single-phase voltage source is connected with the incoming line;
a resistor is connected in series between the single-phase voltage source and a current inlet of the incoming line;
and a normally closed contact of the incoming line circuit breaker is connected with a closing button, and a normally open contact of the incoming line circuit breaker is connected with an opening button.
2. The device for checking the uninterruptible power supply of the automatic backup power switching device according to claim 1, wherein a normally closed contact of the incoming line breaker is connected to the closing coil, and a normally open contact of the incoming line breaker is connected to the opening coil.
3. The uninterrupted power verification device for the automatic bus transfer equipment as claimed in claim 1, wherein the normally closed contact of the incoming line breaker is connected with the off-position indicating lamp, and the normally open contact of the incoming line breaker is connected with the on-position indicating lamp.
4. The device for checking the uninterrupted power supply of the spare power automatic switching device as claimed in claim 1, wherein a circuit breaker is respectively connected between the three-phase voltage source and the bus, and between the single-phase voltage source and the incoming line.
5. The uninterrupted power supply automatic switching device calibration device of claim 1, wherein when a normally open contact of the incoming line breaker is closed and the normally closed contact is opened, a positive potential is output by a KKJ of the incoming line breaker, and the incoming line breaker is in a closed state;
when the normally open contact of the incoming line breaker is opened and the normally closed contact is closed, the TWJ of the incoming line breaker outputs a positive potential.
6. The uninterrupted power supply automatic switching device calibration device according to claim 1, wherein the normally closed contact of the incoming line breaker is connected with outlets 1 and 2 of the uninterrupted power supply automatic switching device calibration device, the normally open contact of the incoming line breaker is connected with outlets 3 and 4 of the uninterrupted power supply automatic switching device calibration device, and the KKJ and TWJ of the incoming line breaker are respectively connected with outlets 5 and 6 of the uninterrupted power supply automatic switching device calibration device.
7. The device as claimed in claim 1, wherein the incoming breaker is in a closed position, and the incoming breaker has a current flowing through it.
8. A spare power automatic switching device is characterized by comprising a plurality of power supply lines, wherein each power supply line comprises a bus and an incoming line connected with the bus, an incoming line breaker is arranged on the incoming line, the buses of adjacent power supply lines are connected through a bus coupler breaker, and the uninterrupted power verification device of the spare power automatic switching device as claimed in any one of claims 1 to 7 is installed on each power supply line.
9. The automatic bus transfer equipment as claimed in claim 8, wherein a disconnecting switch is provided on the incoming line at both ends of the incoming line breaker.
10. A method for verifying a spare power automatic switching device is characterized by comprising the following steps:
closing the bus coupler circuit breaker between the #1 bus and the #2 bus;
closing the isolating switch on the #1 incoming line, and opening the isolating switch on the #1 incoming line;
connecting all three-phase voltage sources with a single-phase voltage source;
a closing button on the #1 inlet wire is pressed, and the #1 inlet wire has current;
and (3) completely disconnecting the single-phase voltage source, separating the incoming line breaker on the #1 incoming line, and closing the incoming line breaker on the #1 incoming line in a delayed manner.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011112403.7A CN112505442A (en) | 2020-10-16 | 2020-10-16 | Uninterrupted power verification device for spare power automatic switching device, spare power automatic switching device and method |
| CN202110217845.6A CN112904134B (en) | 2020-10-16 | 2021-02-26 | Backup automatic switching device uninterrupted power check device, backup automatic switching device and backup automatic switching method |
Applications Claiming Priority (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101504449B (en) * | 2009-03-13 | 2011-07-20 | 江苏省电力公司常州供电公司 | Experiment tester for spare power automatic switching apparatus |
| CN102033181B (en) * | 2010-11-25 | 2014-09-10 | 河南省电力公司洛阳供电公司 | Portable spare power automatic switching calibrator |
| CN105281419A (en) * | 2014-06-30 | 2016-01-27 | 宝钢不锈钢有限公司 | Standby power supply automatic input system and validation method thereof |
| CN104764998B (en) * | 2015-04-22 | 2017-11-14 | 国家电网公司 | For replacing the simulator of circuit breaker of true primary cut-out in protection test |
| CN105375611A (en) * | 2015-11-19 | 2016-03-02 | 内蒙古电力勘测设计院有限责任公司 | Automatic bus transfer equipment and method applicable to double-bus connection |
| CN105334417A (en) * | 2015-11-19 | 2016-02-17 | 国网山东招远市供电公司 | Portable spare power automatic switching check device |
| CN105929281B (en) * | 2016-05-31 | 2020-01-21 | 国网宁夏电力公司中卫供电公司 | Automatic switching and checking integrated machine |
| CN207036969U (en) * | 2017-02-13 | 2018-02-23 | 云南电网有限责任公司曲靖供电局 | A kind of prepared auto restart action logic test accessory |
| CN207036980U (en) * | 2017-06-15 | 2018-02-23 | 国网辽宁省电力有限公司锦州供电公司 | Prepared auto restart specialized simulation installation switching device |
| JP7192487B2 (en) * | 2018-12-25 | 2022-12-20 | 東京電力ホールディングス株式会社 | Inspection method and test equipment |
| 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 |
| CN111161606A (en) * | 2020-02-26 | 2020-05-15 | 威立雅（哈尔滨）热电有限公司 | Spare power automatic switching simulation teaching screen and spare power automatic switching logic judgment method |
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Application publication date: 20210316 |