CN212160392U - Spare power automatic switching operation mode switching logic simulation equipment - Google Patents
Spare power automatic switching operation mode switching logic simulation equipment Download PDFInfo
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Abstract
A spare power automatic switching operation mode switching logic simulation device is provided with an operation mode selection device, a circuit breaker state preset input device and a circuit breaker control logic fusion device, wherein the circuit breaker control logic fusion device is connected with the operation mode selection device and the circuit breaker state preset input device respectively. The utility model discloses the beneficial effect who has as follows: three technical means of 'presetting of breaker state', 'selection of operation mode' and 'fusion of breaker control logic' are adopted, and 'one-key type system operation mode switching control logic' and 'one-key type system operation mode resetting control logic' are realized. The utility model discloses a "one key formula system operation mode switches control logic", ensures under system topology and system operation mode assorted prerequisite, convenient operation mode switches. And this real neotype "key formula system operation mode control logic that resets", when guaranteeing that topological structure and operation mode mismatch, convenient the matching that resets.
Description
Technical Field
The utility model relates to an electric power system control emulation field, in particular to spare power automatic switching operation mode switches logic simulation equipment.
Background
The existing dynamic simulation detection system of the automatic backup power switching device has the problem of complex operation during operation mode switching and resetting operation, the operation modes of the test system of the automatic backup power switching device of the inner bridge are expanded to be various, 4 automatic backup power switching modes exist, so that the number of dynamic simulation test items is large, the switching and resetting operation of the system operation modes is involved in each test process, and the operation is complex. The spare power automatic switching device detects switching of operation modes of a system and resetting operation of the operation modes, and the existing timely mode is manual operation, so that the system is low in automation degree and high in error rate, and is not beneficial to improvement of test efficiency.
Therefore, it is necessary to provide a spare power automatic switching operation mode switching logic simulation device to solve the deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to avoid prior art's weak point and provide a spare power automatic switching operation mode switches logic simulation equipment. The spare power automatic switching operation mode switching logic simulation equipment has the advantages of low cost and high efficiency.
The above object of the present invention is achieved by the following technical measures:
the utility model provides a spare power automatic switching operation mode switching logic simulation equipment is provided with operation mode selection device, circuit breaker state preset input device and circuit breaker control logic fusion device, and circuit breaker control logic fusion device is connected with operation mode selection device and circuit breaker state preset input device respectively.
And the operation mode selection device is used for switching operation of the operation modes when the system topology is matched with the system operation mode and resetting operation when the topology structure is not matched with the operation mode.
The circuit breaker state presetting input device is used for inputting various backup power automatic switching modes and obtaining a single output signal of a circuit breaker state matching result according to matching of the backup power automatic switching modes corresponding to the input and the circuit breaker state.
And the circuit breaker control logic fusion device is used for receiving the closing pulse signal and the tripping pulse signal and realizing the opening operation or the closing operation of the position state of the circuit breaker.
Preferably, the operation mode selection device is provided with a mode dial device for selecting an operation mode, a reset button for triggering a reset operation of a state of the circuit breaker, and a first logic operator, wherein the mode dial device and the reset button are respectively connected with an input end of the first logic operator, a restlner output end of the first logic operator is connected with the circuit breaker control logic fusion device, and the mode dial device is further connected with a circuit breaker state preset input device.
Preferably, the mode dial device is provided with 4 operation mode set value dial keys and an OperMode output end, the 4 operation mode set value dial keys are respectively connected with the input end of the first logic operator, and the OperMode output end is connected with the circuit breaker state preset input device.
Preferably, the 4 operation mode setting value keys have values of 1,2,3 and 4, respectively.
Preferably, the breaker state presetting input device is provided with a Ty _ xDL output terminal for outputting a Ty _ xDL signal and an OperMode input terminal, the Ty _ xDL signal output terminal is connected with the breaker control logic fusion device, and the OperMode input terminal is connected with the OperMode output terminal.
Preferably, there are 4 Ty _ xDL signal output terminals, which are a Ty _1DL signal output terminal, a Ty _2DL signal output terminal, a Ty _3DL signal output terminal and a Ty _4DL signal output terminal.
Preferably, the breaker state presetting input device is provided with a first multiple-input single-output selector, a second multiple-input single-output selector, a third multiple-input single-output selector and a fourth multiple-input single-output selector, and the first multiple-input single-output selector, the second multiple-input single-output selector, the third multiple-input single-output selector and the fourth multiple-input single-output selector are respectively connected with the breaker control logic fusion device.
Preferably, the first multi-input single-output selector is provided with a first operation mode input end for receiving a first operation signal, the Ty _1DL signal output end and a first OperMode input end, and the first OperMode input end is connected with the OperMode output end.
Preferably, the second multi-input single-output selector is provided with a second operation mode input end for receiving a second operation signal, the Ty _2DL signal output end, and a second OperMode input end, and the second OperMode input end is connected with the OperMode output end.
Preferably, the third multi-input single-output selector is provided with a third operation mode input end for receiving a third operation signal, the Ty — 3DL signal output end, and a third OperMode input end, and the third OperMode input end is connected to the OperMode output end.
Preferably, the fourth multi-input single-output selector is provided with a fourth operation mode input end for receiving a fourth operation signal, the Ty — 4DL signal output end, and a fourth OperMode input end, and the fourth OperMode input end is connected to the OperMode output end.
Preferably, the circuit breaker control logic fusion device is provided with a second logic arithmetic unit and a circuit breaker controller, the second logic arithmetic unit is respectively connected with the Ty _ xDL signal output end and the reset button, and the second logic arithmetic unit is further connected with the circuit breaker controller.
Preferably, the second logic operator has a hand-on signal input terminal, a hand-off signal input terminal, a first restlner input terminal, a second restlner input terminal, a first Ty _ xDL input terminal, a second Ty _ xDL input terminal, a switch-on pulse signal output terminal, and a trip pulse signal output terminal.
A first restInner input and a second restInner input are coupled to the restInner output, respectively.
The first Ty _ xDL input and the second Ty _ xDL input are each connected to a Ty _ xDL signal output.
And the closing pulse signal output end and the tripping pulse signal output end are respectively connected with a circuit breaker controller.
Preferably, the circuit breaker controller is provided with a closing pulse signal input terminal, a trip pulse signal input terminal and a circuit breaker driving signal output terminal.
The switching-on pulse signal input end is connected with the switching-on pulse signal output end, and the tripping pulse signal input end is connected with the tripping pulse signal output end.
The utility model discloses a spare power automatic switching operation mode switches logic simulation equipment is provided with operation mode selection device, circuit breaker state and predetermines input device and circuit breaker control logic and fuses the device, and circuit breaker control logic fuses the device and predetermines input device with operation mode selection device and circuit breaker state respectively and is connected. And the operation mode selection device is used for switching operation of the operation modes when the system topology is matched with the system operation mode and resetting operation when the topology structure is not matched with the operation mode. The circuit breaker state presetting input device is used for inputting various backup power automatic switching modes and obtaining a single output signal of a circuit breaker state matching result according to matching of the backup power automatic switching modes corresponding to the input and the circuit breaker state. And the circuit breaker control logic fusion device is used for receiving the closing pulse signal and the tripping pulse signal and realizing the opening operation or the closing operation of the position state of the circuit breaker. The utility model discloses the beneficial effect who has as follows: three technical means of 'presetting of breaker state', 'selection of operation mode' and 'fusion of breaker control logic' are adopted, and 'one-key type system operation mode switching control logic' and 'one-key type system operation mode resetting control logic' are realized. The utility model discloses a "one key formula system operation mode switches control logic", ensures under system topology and system operation mode assorted prerequisite, convenient operation mode switches. And this real neotype "key formula system operation mode control logic that resets", when guaranteeing that topological structure and operation mode mismatch, convenient the matching that resets.
Drawings
The present invention will be further described with reference to the accompanying drawings, but the contents in the drawings do not constitute any limitation to the present invention.
Fig. 1 is a schematic structural diagram of an enlarged internal bridging system.
Fig. 2 is a schematic diagram of a circuit breaker state preset input device.
Fig. 3 is a schematic view of an operation mode selection device.
Fig. 4 is a schematic diagram of a circuit breaker state preset input device.
Detailed Description
The technical solution of the present invention will be further explained by the following examples.
Example 1.
A standby power automatic switching operation mode switching logic simulation device is provided with an operation mode selection device, a circuit breaker state preset input device and a circuit breaker control logic fusion device, wherein the circuit breaker control logic fusion device is connected with the operation mode selection device and the circuit breaker state preset input device respectively, as shown in figures 1 to 4.
And the operation mode selection device is used for switching operation of the operation modes when the system topology is matched with the system operation mode and resetting operation when the topology structure is not matched with the operation mode.
The circuit breaker state presetting input device is used for inputting various backup power automatic switching modes and obtaining a single output signal of a circuit breaker state matching result according to matching of the backup power automatic switching modes corresponding to the input and the circuit breaker state.
And the circuit breaker control logic fusion device is used for receiving the closing pulse signal and the tripping pulse signal and realizing the opening operation or the closing operation of the position state of the circuit breaker.
The operation mode selection device is provided with a mode dial device for selecting an operation mode, a reset button for triggering the reset operation of the state of the circuit breaker and a first logic arithmetic unit, wherein the mode dial device and the reset button are respectively connected with the input end of the first logic arithmetic unit, the restInner output end of the first logic arithmetic unit is connected with the circuit breaker control logic fusion device, and the mode dial device is also connected with the circuit breaker state preset input device.
The mode dial device is provided with 4 operation mode set value dial keys and an OperMode output end, the 4 operation mode set value dial keys are respectively connected with the input end of the first logic arithmetic unit, and the OperMode output end is connected with the circuit breaker state preset input device.
The values of the 4 operating mode setting value dials are 1,2,3, and 4, respectively. The reset button is a reset button for obtaining a reset trigger pulse signal.
The utility model discloses 4 operational modes have four kinds of operational modes for enlarging the interior bridging line. The system for expanding the internal bridge wiring mode is divided into the following parts according to a primary system: the method comprises a system power supply area, an expanded inner bridge connection line test area and a balanced load test area. The secondary control system includes: the device comprises a fault triggering module, a circuit breaker control module, a virtual protection module and an operation mode control logic. The expanded inner bridge connection line is shown in fig. 1, and a spare power automatic switching mode 1 and a spare power automatic switching mode 2 are in an incoming line spare power automatic switching mode; the spare power automatic switching mode 3 and the spare power automatic switching mode 4 are bridge switch spare power automatic switching modes. S1 and S2 in fig. 1 are respectively an incoming power supply 1 and a power supply 2; l1 and L2 are respectively inlet wire 1 and inlet wire 2; 1DL and 2DL are an incoming line 1 breaker and an incoming line 2 breaker respectively; 5DL and 6DL are power supply side circuit breakers of the incoming line 1 and the incoming line 2 respectively; 3DL, 4DL are bridge 1 breaker and bridge 2 breaker, respectively. UL1 and UL2 are respectively the extraction voltages of inlet wire 1 and inlet wire 2; u1ABC and U2ABC are three-phase voltages of the I bus and the II bus respectively; i1, I2, I3 and I4 are currents of the incoming line 1, the incoming line 2, the bridge 1 and the bridge 2 respectively. K1, K2, K3, K4 and K5 are fault points in an inlet wire 1 zone, a fault point in an inlet wire 2 zone, a fault point in a 1# main transformer zone, a fault point in a 2# main transformer zone and a fault point in a 3# main transformer zone respectively.
The states of the circuit breakers in the four operation modes are shown in table 1, (1) a spare power automatic switching mode 1: 1DL, 3DL, and 4DL are in a closed state, and 2DL is in an open state. Namely, the 1# inlet wire is operated, and the 2# inlet wire is standby. (2) Spare power automatic switching mode 2: 2DL, 3DL, and 4DL are in a closed state, and 1DL is in an open state. Namely, the 2# inlet wire is operated, and the 1# inlet wire is standby. (3) Spare power automatic switching mode 3: 1DL, 2DL, and 4DL are in a closed state, and 3DL is in an open state. Namely, the 1# inlet wire and the 2# inlet wire all run, and the inner bridge is in a brake-off state 1. (4) Spare power automatic switching mode 4: 1DL, 2DL, and 3DL are in a closed state, and 4DL is in an open state. Namely, the 1# inlet wire and the 2# inlet wire are all operated, and the inner bridge is in a brake-off state.
Table 14 breaker states under operating modes
The operation of the circuit breaker can be divided into three categories: manually switching on and off; the protection device is switched on and off; and 4, simulating the tripping and opening of the circuit breaker. In the initialization stage of the test system, the operation mode needs to be adjusted according to test items, and the circuit breaker is subjected to state operation; after a single test is finished, the system operation mode is damaged and needs to be reset, so that the method has strong necessity for one-key operation mode fast switching and resetting logic design. The core of the control logic is as follows: (1) on the premise of ensuring that the system topology is matched with the system operation mode, the mode switching is conveniently carried out; (2) when the topological structure is not matched with the operation mode, resetting and matching are conveniently carried out.
The breaker state preset input device is provided with a Ty _ xDL output end for outputting a Ty _ xDL signal and an OperMode input end, the Ty _ xDL signal output end is connected with the breaker control logic fusion device, and the OperMode input end is connected with the OperMode output end. And 4 Ty _ xDL signal output ends are provided, namely a Ty _1DL signal output end, a Ty _2DL signal output end, a Ty _3DL signal output end and a Ty _4DL signal output end.
The circuit breaker state preset input device is provided with a first multi-input single-output selector, a second multi-input single-output selector, a third multi-input single-output selector and a fourth multi-input single-output selector, and the first multi-input single-output selector, the second multi-input single-output selector, the third multi-input single-output selector and the fourth multi-input single-output selector are respectively connected with the circuit breaker control logic fusion device.
The first multi-input single-output selector is provided with a first operation mode input end for receiving a first operation signal, the Ty _1DL signal output end and a first OperMode input end, and the first OperMode input end is connected with the OperMode output end.
The second multi-input single-output selector is provided with a second operation mode input end for receiving a second operation signal, the Ty _2DL signal output end and a second OperMode input end, and the second OperMode input end is connected with the OperMode output end.
The third multi-input single-output selector is provided with a third operation mode input end for receiving a third operation signal, the Ty _3DL signal output end and a third OperMode input end, and the third OperMode input end is connected with the OperMode output end.
The fourth multi-input single-output selector is provided with a fourth operation mode input end for receiving a fourth operation signal, the Ty _4DL signal output end and a fourth OperMode input end, and the fourth OperMode input end is connected with the OperMode output end.
The circuit breaker control logic fusion device is provided with a second logic arithmetic unit and a circuit breaker controller, the second logic arithmetic unit is respectively connected with the Ty _ xDL signal output end and the reset button, and the second logic arithmetic unit is also connected with the circuit breaker controller.
The second logic operator is provided with a hand-on signal input end, a hand-off signal input end, a first RestInner input end, a second RestInner input end, a first Ty _ xDL input end, a second Ty _ xDL input end, a closing pulse signal output end and a tripping pulse signal output end.
A first restInner input and a second restInner input are coupled to the restInner output, respectively.
The first Ty _ xDL input and the second Ty _ xDL input are each connected to a Ty _ xDL signal output.
And the closing pulse signal output end and the tripping pulse signal output end are respectively connected with a circuit breaker controller.
The circuit breaker controller is provided with a closing pulse signal input end, a tripping pulse signal input end and a circuit breaker driving signal output end.
The switching-on pulse signal input end is connected with the switching-on pulse signal output end, and the tripping pulse signal input end is connected with the tripping pulse signal output end.
The working principle of the utility model is as follows: operation mode selecting arrangement does the utility model discloses an operation mode switches operation, the interface part of operation that resets. The utility model discloses a mode dial ware selects the operational mode in a flexible way, clicks reset button and triggers circuit breaker state operation that resets. An OperMode output end in the mode dial device outputs an OperMode signal as an operation mode set value, and the value range is 1,2,3 and 4; the restInner pulse signal output by the RestInner output end of the first logic arithmetic unit is a reset trigger pulse, and when the value of the OperMode signal changes and the reset button executes operation, a pulse signal of 100ms is generated.
The breaker state preset input device matches the operating mode and the breaker state by using the multi-input single-output selector with reference to table 1 to obtain a Ty _ xDL signal, and "Ty _ xDL" (x is 1,2,3,4) is a matching result of the breaker state.
The SH _ xDL signal is input to the hand-close signal input terminal of the second logic operator, the ST _ xDL signal is input to the hand-jump signal input terminal, and x is 1,2,3,4, and the Brkx _ x signal is output from the circuit breaker driving signal output terminal of the circuit breaker controller, and x is 1,2,3, 4. The second logic operator and-operates the Ty _ xDL signal and the RestInner pulse signal, and the Ty _ xDL signal is not-logic-operated and-operated with the RestInner pulse signal.
When the mode dial finishes setting the fixed value, the OperMode signal is refreshed, the Ty _ xDL signal is refreshed, the RestInner pulse signal is triggered, and then the circuit breaker controller is driven. And after the reset button is executed, triggering a RestInner pulse signal, not refreshing the value of the Ty _ xDL signal, and driving a circuit breaker controller, thereby realizing the opening and closing operation of the position state of the circuit breaker.
It should be noted that, the automatic standby power switching device is specifically an electrical device capable of automatically switching a load to a standby power supply when a power supply is disconnected due to a fault, and is referred to as a standby power switching device for short. The specific structure of the expanded inner bridge connection line is a power supply mode comprising 2 return inlet lines, 3 transformers and 4 circuit breakers. The utility model discloses an operation mode switches specifically is through the state of adjustment circuit breaker, changes the power supply network into another kind of operation mode by an operation mode.
The spare power automatic switching operation mode switching logic simulation equipment is provided with an operation mode selection device, a circuit breaker state preset input device and a circuit breaker control logic fusion device, wherein the circuit breaker control logic fusion device is connected with the operation mode selection device and the circuit breaker state preset input device respectively. And the operation mode selection device is used for switching operation of the operation modes when the system topology is matched with the system operation mode and resetting operation when the topology structure is not matched with the operation mode. The circuit breaker state presetting input device is used for inputting various backup power automatic switching modes and obtaining a single output signal of a circuit breaker state matching result according to matching of the backup power automatic switching modes corresponding to the input and the circuit breaker state. And the circuit breaker control logic fusion device is used for receiving the closing pulse signal and the tripping pulse signal and realizing the opening operation or the closing operation of the position state of the circuit breaker. The utility model discloses the beneficial effect who has as follows: three technical means of 'presetting of breaker state', 'selection of operation mode' and 'fusion of breaker control logic' are adopted, and 'one-key type system operation mode switching control logic' and 'one-key type system operation mode resetting control logic' are realized. The utility model discloses a "one key formula system operation mode switches control logic", ensures under system topology and system operation mode assorted prerequisite, convenient operation mode switches. And this real neotype "key formula system operation mode control logic that resets", when guaranteeing that topological structure and operation mode mismatch, convenient the matching that resets.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A spare power automatic switching operation mode switching logic simulation device is characterized in that: the circuit breaker control logic fusion device is connected with the operation mode selection device and the circuit breaker state preset input device respectively;
the operation mode selection device is used for switching operation of the operation mode when the system topology is matched with the system operation mode and resetting operation when the topology structure is not matched with the operation mode;
the circuit breaker state presetting input device is used for inputting 4 kinds of spare power automatic switching modes and obtaining a single output signal of a circuit breaker state matching result according to matching of the corresponding input spare power automatic switching modes and the circuit breaker state;
and the circuit breaker control logic fusion device is used for receiving the closing pulse signal and the tripping pulse signal and realizing the opening operation or the closing operation of the position state of the circuit breaker.
2. The backup power automatic switching operation mode switching logic simulation device according to claim 1, wherein: the operation mode selection device is provided with a mode dial device for selecting an operation mode, a reset button for triggering the reset operation of the state of the circuit breaker and a first logic arithmetic unit, wherein the mode dial device and the reset button are respectively connected with the input end of the first logic arithmetic unit, the restInner output end of the first logic arithmetic unit is connected with the circuit breaker control logic fusion device, and the mode dial device is also connected with the circuit breaker state preset input device.
3. The backup power automatic switching operation mode switching logic simulation device according to claim 2, wherein: the mode dial device is provided with 4 operation mode set value dial keys and an OperMode output end, the 4 operation mode set value dial keys are respectively connected with the input end of the first logic arithmetic unit, and the OperMode output end is connected with the circuit breaker state preset input device.
4. The backup power automatic switching operation mode switching logic simulation device according to claim 3, wherein: the values of the 4 operation mode setting value keys are 1,2,3 and 4 respectively.
5. The backup power automatic switching operation mode switching logic simulation device according to claim 4, wherein: the breaker state preset input device is provided with a Ty _ xDL output end for outputting a Ty _ xDL signal and an OperMode input end, the Ty _ xDL signal output end is connected with the breaker control logic fusion device, and the OperMode input end is connected with the OperMode output end;
and 4 Ty _ xDL signal output ends are provided, and are a Ty _1DL signal output end, a Ty _2DL signal output end, a Ty _3DL signal output end and a Ty _4DL signal output end respectively.
6. The backup power automatic switching operation mode switching logic simulation device according to claim 5, wherein: the circuit breaker state presetting input device is provided with a first multi-input single-output selector, a second multi-input single-output selector, a third multi-input single-output selector and a fourth multi-input single-output selector, and the first multi-input single-output selector, the second multi-input single-output selector, the third multi-input single-output selector and the fourth multi-input single-output selector are respectively connected with the circuit breaker control logic fusion device.
7. The backup power automatic switching operation mode switching logic simulation device according to claim 6, wherein: the first multi-input single-output selector is provided with a first operation mode input end for receiving a first operation signal, the Ty _1DL signal output end and a first OperMode input end, and the first OperMode input end is connected with the OperMode output end;
the second multi-input single-output selector is provided with a second operation mode input end for receiving a second operation signal, the Ty _2DL signal output end and a second OperMode input end, and the second OperMode input end is connected with the OperMode output end;
the third multi-input single-output selector is provided with a third operation mode input end for receiving a third operation signal, the Ty _3DL signal output end and a third OperMode input end, and the third OperMode input end is connected with the OperMode output end;
the fourth multi-input single-output selector is provided with a fourth operation mode input end for receiving a fourth operation signal, the Ty _4DL signal output end and a fourth OperMode input end, and the fourth OperMode input end is connected with the OperMode output end.
8. The backup power automatic switching operation mode switching logic simulation device according to claim 7, wherein: the circuit breaker control logic fusion device is set to be a second logic arithmetic unit and a circuit breaker controller, the second logic arithmetic unit is respectively connected with the Ty _ xDL signal output end and the reset button, and the second logic arithmetic unit is further connected with the circuit breaker controller.
9. The backup power automatic switching operation mode switching logic simulation device according to claim 8, wherein: the second logic operator is provided with a hand-on signal input end, a hand-off signal input end, a first restInner input end, a second restInner input end, a first Ty _ xDL input end, a second Ty _ xDL input end, a switch-on pulse signal output end and a trip pulse signal output end;
a first restInner input terminal and a second restInner input terminal respectively communicate with the restInner output terminal;
the first Ty _ xDL input terminal and the second Ty _ xDL input terminal are respectively connected with the Ty _ xDL signal output terminal;
and the closing pulse signal output end and the tripping pulse signal output end are respectively connected with a circuit breaker controller.
10. The backup power automatic switching operation mode switching logic simulation device according to claim 9, wherein: the circuit breaker controller is provided with a closing pulse signal input end, a tripping pulse signal input end and a circuit breaker driving signal output end;
the switching-on pulse signal input end is connected with the switching-on pulse signal output end, and the tripping pulse signal input end is connected with the tripping pulse signal output end.
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