CN101807355B - Detection method and system for simulated operation safety precaution operation button signal of pipeline electric power substation - Google Patents
Detection method and system for simulated operation safety precaution operation button signal of pipeline electric power substation Download PDFInfo
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- CN101807355B CN101807355B CN2008102273510A CN200810227351A CN101807355B CN 101807355 B CN101807355 B CN 101807355B CN 2008102273510 A CN2008102273510 A CN 2008102273510A CN 200810227351 A CN200810227351 A CN 200810227351A CN 101807355 B CN101807355 B CN 101807355B
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Abstract
The invention discloses long-distance pipeline electric power substation simulate operation safety precaution operation button signal detection method and system of the operation safety precaution and the simulate training of a long-distance pipeline electric power substation, relating to the technical field of circuit emergency protectors, power supply and power distribution circuit devices and pipeline systems. The invention is characterized in that the control flow for detecting an operation button signal comprises the following steps of: when the operation button signal is detected, if wrong by logical judgement, sending out a sound alarm and then returning to the original state; if correct, respectively sending out a touch tone, an isolating switch status instruction, a handcart switch status instruction, a breaker status instruction, a load outlet status instruction and a compensation capacitor status instruction and then returning to the original state. The invention has multiple functions, flexibility, repeatable operation, safety and reliability.
Description
Technical field
The present invention is the long-distance pipeline substation simulate operation safety precaution operation button signal detection method and the system of a kind of long-distance pipeline substation operation safety early warning and simulation training, relates to the circuit arrangement and the piping system technical field of circuit emergency protective device, power supply and distribution.
Background technology
The existing operations staff's of electric substation of long distance pipeline Training Methodology is exactly to join a regular shift or class in electric substation to practise except that school study professional knowledge at present, and is though this training method is effectively, not ideal enough; Because the characteristics of electrical production and operation are the continuitys of its production, so these characteristics have determined the operations staff in its routine work, can only " see, listen, think ", and can not start experienced.In case appearance is unusual, when accident need be started, just require not carry out the various grid switching operations of system with not allowing a bit mistake in a short period of time, the personnel that this work only possesses skilled practical operation technical ability could accomplish well.Therefore; In order to guarantee that oil and gas pump station electric substation moves safely and reliably; Must effectively train the operations staff of electric substation, and be to adapt to each operating personnel of hierarchical pipeline electric substation off-line training requirement, mode of operation and electric substation's on-line operation system's operating mode are identical; Operator training just equally can carry out flexibly, operation practice safe and reliable, repeatedly as coming to personally by actual field; The operation operations staff can therefrom be accumulated handle the experience of various unusual, obstacles and accident, improve operative skill, to improve the overall qualities that become the distribution operations staff.
Summary of the invention
The objective of the invention is to invent a kind of function many, flexible, can repeatable operation, safe and reliable, the pipeline electric power substation simulate operation safety precaution operation button signal detecting method and the system that can realize electric substation's operation personnel operation training objective, exactly.
The present invention is that the typical bridge type wiring of selection long distance pipeline pumping plant electric substation is an original shape; On the basis that demonstrates fully long distance pipeline pumping plant electric substation characteristics, set of tubes pumping plant electric substation operation hilllock operator training, operation order check and electric substation's working state of system simulation display packing and the device developed.
The control flow of this pipeline electric power substation simulate operation safety precaution operation button input is as shown in Figure 3.Its detecting operation button signal control flow is: as the detecting operation button signal, through logic determines, like mistake, original state is returned in the warning of then sounding; As correctly, then control respectively and send the indication of keypad tone, disconnector state, the indication of wheelbarrow switch state, circuit-breaker status indication, load and return original state after going out line states indication, the indication of building-out capacitor state by the output control interface.
Wherein:
The detecting operation button signal is divided into transformer high-voltage and transformer low voltage two parts:
The transformer high-voltage part is as shown in Figure 1, and transformer high-voltage partly divides the operation logic method of ground connection switch, high pressure P T switch, high voltage isolator, primary cut-out, sectionalizer, section switch six parts:
1. grounding switch operation logic method: when pressing grounding switch, high pressure P T switch then returns original state as connecting; As breaking off and grounding switch also breaks off, return after then connecting grounding switch, connect like grounding switch, return after then breaking off grounding switch;
2. high pressure P T switching manipulation logical method: when pressing high pressure P T switch, connect, then return original state like grounding switch; Break off like grounding switch, and high voltage isolator connects, then return original state, high voltage isolator breaks off, and looks the on off state of high pressure P T switch and decide: as if high pressure P T switch connection, then break off high pressure P T switch, return original state; If high pressure P T switch breaks off, then connect high pressure P T switch, return original state;
3. high voltage isolator operation logic method: when pressing high voltage isolator, break off, then return original state like high pressure P T switch; Like high pressure P T switch connection, then look the on off state of primary cut-out and decide:, then break off high voltage isolator to return original state if primary cut-out is connected; If primary cut-out breaks off, then connect high voltage isolator and return original state;
4. primary cut-out operation logic method: when pressing primary cut-out, break off, then return original state like high voltage isolator; Connect like high voltage isolator, then look the on off state of primary cut-out and decide: if the primary cut-out disconnection is then connected primary cut-out and returned original state; If primary cut-out is connected, and the connection of low pressure PT grounding switch, original state then returned; If primary cut-out is connected, and the disconnection of low pressure PT grounding switch, then break off primary cut-out and return original state;
5. sectionalizer operation logic method: when pressing sectionalizer, break off, then return original state like primary cut-out; Connect like primary cut-out, and the sectionalizer connection, original state then returned; Connect like primary cut-out, and sectionalizer breaks off, then look the state of sectionalizer and decide: if the sectionalizer connection then breaks off sectionalizer to return original state; If sectionalizer breaks off, then connect sectionalizer and return original state;
6. section switch operation logic method: when pressing section switch, break off, then return original state like sectionalizer; Connect like sectionalizer, then look the state of low pressure PT grounding switch and decide: if original state is then returned in the connection of low pressure PT grounding switch; If low pressure PT grounding switch breaks off, and the section switch connection, then break off section switch and return original state; If low pressure PT grounding switch breaks off, and the section switch disconnection, then connect section switch and return original state;
A low-voltage power supply of standing partly divides PT grounding switch, PT disconnector, disconnector, isolating switch, female operation logic method (see figure 2) that joins disconnector, bus six parts:
1. PT grounding switch operation logic method:,, then return original state like the PT switch connection when pressing the PT grounding switch; Break off like the PT switch, then look the state of grounding switch and decide: if the grounding switch connection then breaks off grounding switch to return original state; If grounding switch breaks off, then connect grounding switch and return original state;
2. PT isolator operation logical method: when pressing the PT disconnector, connect, then return original state like grounding switch; Break off like grounding switch, and the connection of low pressure disconnector, original state then returned; Break off like grounding switch, and then the low pressure disconnector breaks off, then look the state of low pressure PT disconnector and decide: if the disconnection of low pressure PT disconnector is then connected the PT disconnector and returned original state; If low pressure PT disconnector is connected, then break off the PT disconnector and return original state;
3. low pressure isolator operation logical method: when pressing the low pressure disconnector, break off, then return original state like low pressure PT switch; Like low pressure PT switch connection, and the low-voltage circuit breaker connection, original state then returned; Break off like low pressure PT switch, and low-voltage circuit breaker breaks off, then look the state of low pressure disconnector and decide: if the disconnection of low pressure disconnector is then connected the low pressure disconnector and returned original state; If the low pressure disconnector is connected, then break off the low pressure disconnector and return original state;
4. low-voltage circuit breaker operation logic method: when pressing low-voltage circuit breaker, break off, then return original state like the low pressure disconnector; Connect like the low pressure disconnector, then look the state of low-voltage circuit breaker and decide: if the low-voltage circuit breaker disconnection is then connected low-voltage circuit breaker and returned original state; If low-voltage circuit breaker is connected, and the connection of low pressure PT grounding switch, original state then returned; If low-voltage circuit breaker is connected, and the disconnection of low pressure PT grounding switch, then break off low-voltage circuit breaker and return original state;
5. female isolator operation logical method that joins: when pressing female disconnector that joins, break off, then return original state like power-feed section PT grounding switch; Connect like power-feed section PT grounding switch, and the bus connection, original state then returned; Connect like power-feed section PT grounding switch, and the bus disconnection, then connect sectionalizer and return original state;
6. bus operation logic method: when pressing bus, join disconnector like mother and break off, then return original state; Join disconnector like mother and connect, and the connection of low pressure PT grounding switch, original state then returned; Join disconnector like mother and connect, and the disconnection of low pressure PT grounding switch, then press section switch and return original state;
In order to prevent unexpected the generation; In the operation safety early warning control flow, also have five anti-functions, prevent that promptly bringing onto load from closing the disconnector steering logic, preventing to jump the isolating switch steering logic by mistake, prevent that bringing onto load from drawing the disconnector steering logic, prevent charged hanging earthing conductor steering logic, preventing to be with ground wire to close the disconnector steering logic:
Prevent that bringing onto load from closing the disconnector steering logic and dividing two kinds of situation again: one is as shown in Figure 4; The original state isolating switch breaks off, if grounding switch breaks off, disconnector is closed, wheelbarrow switch is closed, building-out capacitor disconnection, power supply work, mutual inductor put into operation, and breaker closing then; Two is as shown in Figure 6; The original state disconnector breaks off, and puts into operation as if grounding switch disconnection, isolating switch disconnection, building-out capacitor disconnection, power supply work, mutual inductor, then breaker closing;
To prevent to jump the isolating switch steering logic as shown in Figure 5 by mistake; The original state breaker closing is if grounding switch breaks off, disconnector is closed, wheelbarrow switch is closed, building-out capacitor disconnections, power supply work, mutual inductor put into operation then isolating switch disconnection;
Prevent that bringing onto load from drawing the disconnector steering logic as shown in Figure 7; The original state disconnector is closed, puts into operation as if grounding switch disconnection, isolating switch disconnection, building-out capacitor disconnection, power supply work, mutual inductor, and then isolating switch breaks off;
Prevent that charged hanging earthing conductor steering logic is as shown in Figure 8; The original state grounding switch breaks off, and isolating switch disconnection, disconnector disconnection, building-out capacitor disconnection, power supply work, mutual inductor put into operation, and then grounding switch is closed;
It is as shown in Figure 9 to prevent to be with ground wire to close the disconnector steering logic; The original state disconnector breaks off, and puts into operation as if grounding switch disconnection, isolating switch disconnection, building-out capacitor disconnection, power supply work, mutual inductor, and then disconnector is closed;
Other has the conventional personnel that prevent mistakenly entering charged chamber steering logic, and is shown in figure 10, and the original state system stops transport, if system puts into operation, gets into inspection action, then system alarm.
As stated above, the present invention's system comprises control system and feed circuit two parts.
The formation of control system is shown in figure 11, is made up of PLC control system, operation and indication mechanism.System's operation SR, system operation button, power supply switching push button, system's mute button, current supply circuit disconnector, current supply circuit wheelbarrow switch, current supply circuit isolating switch, load circuit disconnector, load circuit wheelbarrow switch, load circuit isolating switch, building-out capacitor disconnector all connect the input end of PLC, and the output termination of PLC 4 output control interface and the operation of direct welding system are exported, the system operation sound is exported, the system misoperation sound is reported to the police output; A respectively welding system running status indication, system operating state indication, the power supply of 4 outputs in the control interface switches indication, system's noise reduction state indication; Second connects the indication of current supply circuit disconnector state, the indication of current supply circuit wheelbarrow switch state, the indication of current supply circuit circuit-breaker status respectively; The 3rd connects busbar voltage respectively and shows that control, female busbar voltage that connects show control; The 4th connects load circuit disconnector state indication, the indication of load circuit wheelbarrow switch state, the indication of load circuit circuit-breaker status, load circuit respectively and goes out line states indication, the indication of load circuit building-out capacitor state, load circuit nominal current and show control; The 5th connects the main transformer electric pressure respectively and shows that control, current supply circuit electric pressure show control.
Feed circuit partly comprise main transformer electric power incoming line, high pressure and low pressure three parts.
Long-distance pipeline substation operation safety early warning device panel synoptic diagram is seen Figure 12; The main transformer electric power incoming line is shown in figure 13.Internal bridge is adopted in main transformer electric power incoming line high-pressure side, selects two main transformers for use; Two electric power incoming lines are simulated two electric pressures, i.e. 110kV and 35kV respectively; Be provided with power supply monitoring, lightning protection and ground protection.
The high voltage supply wiring is divided into two sections, and Figure 14 is high voltage supply (I section) wiring diagram, and Figure 15 is high voltage supply (II section) wiring diagram.1# inlet wire from the 1# main transformer connects I section PT and Duo Tai pump motor; 2# inlet wire from the 2# main transformer connects II section PT, subsequent use, stand change and many pump motors.
High voltage supply I section, II section bus contact wiring diagram are seen Figure 16, are to be connected by the bus communication between 1# inlet wire and the 2# inlet wire.
The low-voltage power supply wiring diagram is shown in figure 17, and low-pressure side adopts single-trunk segmental wiring, and electric pressure is 6kV; Load has illumination, power cabinet, instrument, direct current cabinet, communication.Power cabinet load mainly is made up of power-equipments such as transfer pump, fire extinguishing pumps.
One section switchgear is selected disconnector and isolating switch for use, two sections control and protections of selecting high-tension switch cabinet as consumer for use.Be provided with devices such as load monitoring, ground protection, lightning protection, overload and short-circuit protection.
In addition, adopt infrared probe that the personnel that get into charged interval are surveyed in the native system, when personnel got into charged interval, system's alerting signal of sounding was simulated the safeguard function that prevents personnel's mistakenly entering charged chamber with this.
The high-low pressure connection principle of standing:
System detects the imitation screen action button in real time, judges whether to satisfy " five is anti-" working specification; Operate when correct, the corresponding pilot lamp of output control, a proper operation is accomplished in expression, and output proper operation sound is exported pulse with proper operation; During operating mistake, output error operation sound, and output error operation output pulse.
Pipeline electric power substation operation safety early warning system panel synoptic diagram is shown in figure 12.
The present invention utilizes PLC technology and necessary electric substation's physical simulation equipment, under off-line state, can realize preventing the blocking device of electric misoperation, both so-called " five is anti-" function: prevent that mistake from jumping, mistake is closed isolating switch; Prevent that bringing onto load from drawing, closing disconnector; Prevent charged hanging earthing conductor; Prevent to be with ground wire to close disconnector; Prevent personnel's mistakenly entering charged chamber.
Function of the present invention is many, flexible, ability repeatable operation, safe and reliable, can realize electric substation's operation personnel operation training objective, exactly.
Description of drawings
Fig. 1 pipeline electric power substation operation safety early warning process flow diagram (high-pressure section)
Fig. 2 pipeline electric power substation operation safety early warning process flow diagram (low-pressure section)
System's control flow chart of Fig. 3 operation safety early warning
Fig. 4 prevents that bringing onto load from closing disconnector steering logic figure
Fig. 5 prevents to jump isolating switch steering logic figure by mistake
Fig. 6 prevents that bringing onto load from closing disconnector steering logic figure
Fig. 7 prevents that bringing onto load from drawing disconnector steering logic figure
Fig. 8 prevents charged hanging earthing conductor steering logic figure
Fig. 9 prevents to be with ground wire to close disconnector steering logic figure
Figure 10 prevents personnel's mistakenly entering charged chamber steering logic figure
Figure 11 pipeline electric power substation operation safety early warning system principle diagram
Figure 12 pipeline electric power substation operation safety early warning device panel synoptic diagram
The main transformer electric power incoming line figure of Figure 13 pipeline electric power substation operation safety early warning system
Figure 14 pipeline electric power substation operation safety early warning system station field high voltage supply (I section) wiring diagram
Figure 15 pipeline electric power substation operation safety early warning system station field high voltage supply (II section) wiring diagram
Figure 16 pipeline electric power substation operation safety early warning system station field high voltage supply I section, II section bus contact wiring diagram
Figure 17 pipeline electric power substation operation safety early warning system station field low-voltage power supply wiring diagram
Embodiment
Embodiment. this routine formation is shown in figure 11, is made up of PLC control system, operation and indication mechanism.System's operation SR, system operation button, power supply switching push button, system's mute button, current supply circuit disconnector, current supply circuit wheelbarrow switch, current supply circuit isolating switch, load circuit disconnector, load circuit wheelbarrow switch, load circuit isolating switch, building-out capacitor disconnector all connect the input end of PLC, and the output termination of PLC 4 output control interface and the operation of direct welding system are exported, the system operation sound is exported, the system misoperation sound is reported to the police output; A respectively welding system running status indication, system operating state indication, the power supply of 4 outputs in the control interface switches indication, system's noise reduction state indication; Second connects the indication of current supply circuit disconnector state, the indication of current supply circuit wheelbarrow switch state, the indication of current supply circuit circuit-breaker status respectively; The 3rd connects busbar voltage respectively and shows that control, female busbar voltage that connects show control; The 4th connects load circuit disconnector state indication, the indication of load circuit wheelbarrow switch state, the indication of load circuit circuit-breaker status, load circuit respectively and goes out line states indication, the indication of load circuit building-out capacitor state, load circuit nominal current and show control; The 5th connects the main transformer electric pressure respectively and shows that control, current supply circuit electric pressure show control.
System detects and receives imitation screen action button signal among the figure, after the PLC logic determines, exports control signal, and the output control interface is changed, is extended to the simulation of panel display control signal with the control signal of PLC and shows the actuator state.
Pipeline electric power substation operation safety early warning device panel synoptic diagram is seen Figure 12.
The main transformer electric power incoming line is shown in figure 13.Internal bridge is adopted in main transformer electric power incoming line high-pressure side, selects two main transformers for use; Two electric power incoming lines are simulated two electric pressures, i.e. 110kV and 35kV respectively; Be provided with power supply monitoring, lightning protection and ground protection.
The high voltage supply wiring is divided into two sections, and Figure 14 is high voltage supply (I section) wiring diagram, and Figure 15 is high voltage supply (II section) wiring diagram.1# inlet wire from the 1# main transformer connects I section PT and Duo Tai pump motor; 2# inlet wire from the 2# main transformer connects II section PT, subsequent use, stand change and many pump motors.
High voltage supply I section, II section bus contact wiring diagram is shown in figure 16, is connected by the bus communication between 1# inlet wire and the 2# inlet wire.
The low-voltage power supply wiring diagram is shown in figure 17, and low-pressure side adopts single-trunk segmental wiring, and electric pressure is 6kV; Load has illumination, power cabinet, instrument, direct current cabinet, communication.Power cabinet load mainly is made up of power-equipments such as transfer pump, fire extinguishing pumps.
One section switchgear is selected disconnector and isolating switch for use, two sections control and protections of selecting high-tension switch cabinet as consumer for use.Be provided with devices such as load monitoring, ground protection, lightning protection, overload and short-circuit protection.
In addition, adopt infrared probe that the personnel that get into charged interval are surveyed in the native system, when personnel got into charged interval, system's alerting signal of sounding was simulated the safeguard function that prevents personnel's mistakenly entering charged chamber with this.
System and interface specification:
Main transformer electric power incoming line loop disconnector (1101-1,1101-2,1101-3,1102-1,1102-2,1102-3 among Figure 13): be used for isolating power supply, to guarantee the safety inspection of other electric equipment;
Main transformer electric power incoming line circuit breaker (among Figure 13 1101,1102): be used for the break-make supply current, and at the automatic trip during with short circuit of serious overload, cut-out overload current and short-circuit current;
High voltage supply loop wheelbarrow switch (among Figure 15 614 ... 618): have the double action of disconnector and isolating switch concurrently, have the characteristics of flexible operation;
High voltage supply loop disconnector (603-1 among Figure 14,603-2,605-1,605-2 ... 611-1,611-2): be used for the isolated high-voltage bus, to guarantee the safety inspection of other electric equipments;
The high voltage supply circuit breaker (among Figure 14 603,605 ... 611): be used for break-make load circuit electric current, and automatic trip when serious overload and short circuit, the open failure loop;
Low-voltage power supply loop wheelbarrow switch (among Figure 17 041,042,043,044,045,046,049): have the double action of disconnector and isolating switch concurrently, have the characteristics of flexible operation;
Low-voltage power supply building-out capacitor disconnector (among Figure 17 040): be used for blocking capacitor and high-voltage power supply, to guarantee the safety inspection of capacitor;
System's operation SR (seeing Figure 11): system's operation button and system operation button are used, and press system's operation button and show that current electric substation supplies the running status of power transformation system; When pressing system operation button and reached for three seconds, supply the power transformation system equipment all to reset, promptly earthing isolator is connected in the main wiring diagram, and all the other disconnectores and isolating switch all break off;
System operation button (seeing Figure 11): press the system operation button system and get into mode of operation, can simulate various grid switching operations this moment through the action button on the imitation screen;
Power supply switching push button (seeing Figure 11): long-distance pipeline substation power supply has two kinds of 220kV and 110kV, is provided with this button in order to reflect the long-distance pipeline substation electric power thus supplied;
System's mute button (seeing Figure 11): when system operation, can send action button sound and faulty operation sound, this prompt tone can be closed after pressing mute button;
Output control interface (seeing Figure 11): the I/O end and the button of the various electric control appliances of simulation and the interface of pilot lamp of accomplishing PLC;
System operation output (seeing Figure 11): output system operating impulse;
System operation sound output (seeing Figure 11): the auditory tone cues during non-noise reduction during system's proper operation;
The system misoperation sound output (seeing Figure 11) of reporting to the police: the auditory tone cues during non-noise reduction during the system mistake operation.
Native system moves according to the control flow of aforesaid operation safety early warning system and operation count and score of the examination flow for displaying.
The control flow of its operation safety early warning system is as shown in Figure 3.Control flow is divided into detecting operation button signal and operation count and score of the examination flow for displaying, and detecting operation button signal control flow is: as the detecting operation button signal, through logic determines, like mistake, original state is returned in the warning of then sounding; As correctly, then control respectively and send the indication of keypad tone, disconnector state, the indication of wheelbarrow switch state, circuit-breaker status indication, load and return original state after going out line states indication, the indication of building-out capacitor state by the output control interface.
Operating process:
Four kinds of fundamental modes that native system has, promptly two transformers are supplied power respectively; Two transformers supply power side by side (generally not allowing side by side); Supply power respectively by two transformers of one road power supply; By transformer-supplied of one road power supply.These three kinds of fundamental modes can be accomplished 40 binomial grid switching operations when switching each other.
System operation is divided into two parts, and the one, the switch operation that system puts into operation under back three kinds of basic methods of operation that resets; The 2nd, directly be transformed into the operation of the another kind of method of operation by certain method of operation.
1. the switch operation that system puts into operation under back three kinds of basic methods of operation that resets:
1. open the key switch on the imitation screen;
2. pin the operation button greater than 3 seconds each switch reset;
3. by action button;
4. according to the concrete operations procedure of the following various methods of operation;
5. after operation was accomplished, by operation button (pilot lamp becomes redness), each switch on the imitation screen can not be operated;
2. the switch operation that system puts into operation under back three kinds of basic methods of operation that resets comprises following seven kinds of modes:
Supply power respectively by two transformers of two-way power supply;
1AA section electric power incoming line and two transformers are supplied power respectively;
2AA section electric power incoming line and two transformers are supplied power respectively;
1AA section electric power incoming line 1# transformer is supplied power separately;
2AA section electric power incoming line 2# transformer is supplied power separately;
1AA section electric power incoming line 2# transformer is supplied power separately;
2AA section electric power incoming line 1# transformer is supplied power separately.
Long-distance pipeline substation operation safety early warning systemic-function:
1. pumping plant electric substation off-line " five anti-" function, that is:
1. prevent that mistake from jumping, mistake is closed isolating switch;
2. prevent that bringing onto load from closing disconnector;
3. prevent that bringing onto load from drawing disconnector;
4. prevent charged hanging earthing conductor;
5. prevent to be with ground wire to close disconnector; Prevent personnel's mistakenly entering charged chamber function in addition;
Realize the latch-up protection that substation facilities is operated with the PLC simulated mode in the system, this is the major function of native system training, and when producing maloperation, system sends the false alarm sound; The personnel that prevent mistakenly entering charged chamber function in addition; What field apparatus adopted is physical protection; Adopt infrared probe that the personnel that get into charged interval are surveyed in the native system; When personnel got into charged interval, system's alerting signal of sounding was simulated the safeguard function that prevents personnel's mistakenly entering charged chamber with this;
2. simulate electric power substation simulate amount (voltage, electric current etc.) Presentation Function
All show for current supply circuit supply voltage, the interior main transformer parameter of standing, busbar voltage, load current, make the student comprehensive understanding arranged the equipment operation parameter of whole electric substation by nominal value;
3. the judgement of correcting errors of the grid switching operation under the various complex modes of operations can be sent warning message to faulty operation;
" five is anti-" function of system has determined the working specification of all electric substation's electrical equipments, and running counter to this working specification is that operation institute of electric substation is unallowed, and at this moment, system sends the maloperation audible alarm;
4. system carries out 7 kinds of basic operations; 42 power supply grid switching operations and according to number of outgoing to power supply of each consumer and blocked operation; Simultaneously, system configuration 16 secondary high-pressure loads go out line loop and low-voltage load goes out line loop, can carry out the blocked operation of load equipment power supply as required;
5. auxiliary function
1. grid switching operation bill authentication function;
Electric substation's operation is operated according to operation order; The correctness of operation order establishment can be used native system operation order is verified, thereby guarantees the correct of operation order running program; Overcome operation steps lack of standardization and wrong in the operation order, play the effect of electric substation's operation safety early warning;
2. management function is simulated in electric substation's operation;
System can be provided with demonstration according to the situation of putting into operation of substation facilities, and the current device running status is come into plain view, and is convenient to the power supply management of electric substation;
3. system state power-failure memory function;
Design of System Software adopts the internal register with power-failure memory function, can the memory system current state after system's power down, after powering on, system will show and power down before identical system status information;
4. monitoring electric network frequency function;
System shows current mains frequency with one 4 bit digital gauge outfit, and the monitoring electric network frequency appearance display cycle is 800ms, and display precision mean value in 800ms is 0.01Hz; Its effect is to make the student understand the situation of change of mains frequency;
Function when 5. but displaying calendar, clock, safe operation fate and power down are walked;
For with the electric power substation simulate screen protection at scene hold consistent, system be provided with calendar, clock and safe progression day panel display, wherein calendar, clock have power down function when walking; System stores setting with the safe operation fate of progression; And situation calculates corresponding fate during according to the walking of calendar, clock after time of calendar and the system's power down; Be added in the safe operation fate, guaranteeing also can have correct demonstration behind system's power loss recovery.
The invention has the beneficial effects as follows that it adapts to each level long-distance pipeline substation operating personnel off-line training requirement, mode of operation and electric substation's on-line operation system's operating mode are identical.This routine function is many, and 42 kinds of grid switching operation programs are arranged, and in strict accordance with electric substation's working specification design, through the check to electric substation's operation order, can stop various maloperations and operation lack of standardization from running program fully.Operating personnel just train on native system that actual field equally can be carried out flexibly, operation practice safe and reliable, repeatedly as coming to personally, the operation operations staff can therefrom be accumulated handle the experience of various unusual, obstacles and accident, improve operative skill.Simultaneously, native system can be realized the operation personnel's of electric substation practical operation training objective, exactly.
Claims (3)
1. long-distance pipeline substation simulate operation safety precaution operation button signal detection method; It is characterized in that its detecting operation button signal control flow is: when detecting the action button signal, through logic determines, like mistake; Original state is returned in the warning of then sounding; As correctly, then control respectively and send the indication of keypad tone, disconnector state, the indication of wheelbarrow switch state, circuit-breaker status indication, load and return original state after going out line states indication, the indication of building-out capacitor state by the output control interface; Said detecting operation button signal is divided into transformer high-voltage and transformer low voltage two parts:
Transformer high-voltage partly divides the operation logic method of ground connection switch, high pressure P T switch, high voltage isolator, primary cut-out, sectionalizer, section switch six parts:
1. grounding switch operation logic method: when pressing grounding switch, high pressure P T switch then returns original state as connecting; As breaking off and grounding switch also breaks off, return after then connecting grounding switch, connect like grounding switch, return after then breaking off grounding switch;
2. high pressure P T switching manipulation logical method: when pressing high pressure P T switch, connect, then return original state like grounding switch; Break off like grounding switch, and the high voltage isolator connection, original state then returned; Break off like grounding switch, and high voltage isolator breaks off, look the on off state of high pressure P T switch and decide: as if high pressure P T switch connection, then break off high pressure P T switch, return original state; If high pressure P T switch breaks off, then connect high pressure P T switch, return original state;
3. high voltage isolator operation logic method: when pressing high voltage isolator, break off, then return original state like high pressure P T switch; Like high pressure P T switch connection, then look the on off state of primary cut-out and decide:, then return original state if primary cut-out is connected; If primary cut-out breaks off, and the high voltage isolator connection, then break off high voltage isolator and return original state; If primary cut-out breaks off, and the high voltage isolator disconnection, then connect high voltage isolator and return original state;
4. primary cut-out operation logic method: when pressing primary cut-out, break off, then return original state like high voltage isolator; Connect like high voltage isolator, then look the on off state of primary cut-out and decide: if the primary cut-out disconnection is then connected primary cut-out and returned original state; If primary cut-out is connected, and the connection of low pressure PT grounding switch, original state then returned; If primary cut-out is connected, and the disconnection of low pressure PT grounding switch, then break off primary cut-out and return original state;
5. sectionalizer operation logic method: when pressing sectionalizer, break off, then return original state like primary cut-out; Connect like primary cut-out, and the section switch connection, original state then returned; Connect like primary cut-out, and section switch breaks off, then look the state of sectionalizer and decide: if the sectionalizer connection then breaks off sectionalizer to return original state; If sectionalizer breaks off, then connect sectionalizer and return original state;
6. section switch operation logic method: when pressing section switch, break off, then return original state like sectionalizer; Connect like sectionalizer, then look the state of low pressure PT grounding switch and decide: if original state is then returned in the connection of low pressure PT grounding switch; If low pressure PT grounding switch breaks off, and the section switch connection, then break off section switch and return original state; If low pressure PT grounding switch breaks off, and the section switch disconnection, then connect section switch and return original state;
Transformer low voltage partly divides PT grounding switch, PT disconnector, low pressure disconnector, low-voltage circuit breaker, female operation logic method that joins disconnector, bus six parts:
1. PT grounding switch operation logic method:,, then return original state like low pressure PT switch connection when pressing the PT grounding switch; Break off like low pressure PT switch, then look the state of grounding switch and decide: if the grounding switch connection then breaks off grounding switch to return original state; If grounding switch breaks off, then connect grounding switch and return original state;
2. PT isolator operation logical method: when pressing the PT disconnector, connect, then return original state like grounding switch; Break off like grounding switch, and the connection of low pressure disconnector, original state then returned; Break off like grounding switch, and the low pressure disconnector breaks off, then look the state of low pressure PT disconnector and decide: if the disconnection of low pressure PT disconnector is then connected the PT disconnector and returned original state; If low pressure PT disconnector is connected, then break off the PT disconnector and return original state;
3. low pressure isolator operation logical method: when pressing the low pressure disconnector, break off, then return original state like low pressure PT switch; Like low pressure PT switch connection, and the low-voltage circuit breaker connection, original state then returned; Break off like low pressure PT switch, and low-voltage circuit breaker breaks off, then look the state of low pressure disconnector and decide: if the disconnection of low pressure disconnector is then connected the low pressure disconnector and returned original state; If the low pressure disconnector is connected, then break off the low pressure disconnector and return original state;
4. low-voltage circuit breaker operation logic method: when pressing low-voltage circuit breaker, break off, then return original state like the low pressure disconnector; Connect like the low pressure disconnector, then look the state of low-voltage circuit breaker and decide: if the low-voltage circuit breaker disconnection is then connected low-voltage circuit breaker and returned original state; If low-voltage circuit breaker is connected, and the connection of low pressure PT grounding switch, original state then returned; If low-voltage circuit breaker is connected, and the disconnection of low pressure PT grounding switch, then break off low-voltage circuit breaker and return original state;
5. female isolator operation logical method that joins: when pressing female disconnector that joins, break off, then return original state like power-feed section PT grounding switch; Connect like power-feed section PT grounding switch, and the bus connection, original state then returned; Connect like power-feed section PT grounding switch, and the bus disconnection, then connect sectionalizer and return original state;
6. bus operation logic method: when pressing bus, join disconnector like mother and break off, then return original state; Join disconnector like mother and connect, and the connection of low pressure PT grounding switch, original state then returned; Join disconnector like mother and connect, and the disconnection of low pressure PT grounding switch, then press section switch and return original state.
2. long-distance pipeline substation simulate operation safety precaution operation button signal detection method according to claim 1 is characterized in that in detecting operation button signal control flow, also having five anti-function steering logics: prevent that bringing onto load from closing the disconnector steering logic, preventing to jump the isolating switch steering logic by mistake, prevent that bringing onto load from drawing the disconnector steering logic, prevent charged hanging earthing conductor steering logic, preventing to be with ground wire to close the disconnector steering logic;
Saidly prevent that bringing onto load from closing the disconnector steering logic and dividing two kinds of situation: the one, the original state isolating switch breaks off; If grounding switch breaks off, disconnector is closed, wheelbarrow switch is closed, building-out capacitor disconnection, power supply work, mutual inductor put into operation, then breaker closing; The 2nd, the original state disconnector breaks off, and puts into operation as if grounding switch disconnection, isolating switch disconnection, building-out capacitor disconnection, power supply work, mutual inductor, then breaker closing;
The said mistake that prevents is jumped the isolating switch steering logic and is: the original state breaker closing, if grounding switch breaks off, disconnector is closed, wheelbarrow switch is closed, building-out capacitor disconnections, power supply work, mutual inductor put into operation then isolating switch disconnection;
The said bringing onto load that prevents draws the disconnector steering logic to be: the original state disconnector is closed, puts into operation as if grounding switch disconnection, isolating switch disconnection, building-out capacitor disconnection, power supply work, mutual inductor, and then isolating switch breaks off;
Saidly prevent that charged hanging earthing conductor steering logic from being: the original state grounding switch breaks off, if isolating switch disconnections, disconnector disconnection, building-out capacitor disconnection, power supply work, mutual inductor put into operation, and grounding switch closure then;
Saidly prevent to be with ground wire to close the disconnector steering logic to be: the original state disconnector breaks off, if grounding switch disconnections, isolating switch disconnection, building-out capacitor disconnection, power supply work, mutual inductor put into operation, and disconnector closure then.
3. long-distance pipeline substation simulate operation safety precaution operation button signal detection system of method according to claim 1, it is characterized in that it comprises control system and feed circuit two parts: control system is made up of PLC control system, operation and indication mechanism; System's operation SR, system operation button, power supply switching push button, system's mute button, current supply circuit disconnector, current supply circuit wheelbarrow switch, current supply circuit isolating switch, load circuit disconnector, load circuit wheelbarrow switch, load circuit isolating switch, building-out capacitor disconnector all connect the input end of PLC control system, and the output termination of PLC control system 5 output control interface and the operation of direct welding system are exported, the system operation sound is exported, the system misoperation sound is reported to the police output; First respectively welding system running status indication, system operating state indication, the power supply of 5 outputs in the control interface switches indication, system's noise reduction state indication; Second connects the indication of current supply circuit disconnector state, the indication of current supply circuit wheelbarrow switch state, the indication of current supply circuit circuit-breaker status respectively; The 3rd connects busbar voltage respectively and shows that control, the logical busbar voltage of female connection show control; The 4th connects load circuit disconnector state indication, the indication of load circuit wheelbarrow switch state, the indication of load circuit circuit-breaker status, load circuit respectively and goes out line states indication, the indication of load circuit building-out capacitor state, load circuit nominal current and show control; The 5th connects the main transformer electric pressure respectively and shows that control, current supply circuit electric pressure show control;
Feed circuit partly comprise main transformer electric power incoming line, high pressure and low pressure three parts:
Internal bridge is adopted in main transformer electric power incoming line high-pressure side, selects two main transformers for use; Two electric power incoming lines are simulated two electric pressures, i.e. 110kV and 35kV respectively; Be provided with power supply monitoring, lightning protection and ground protection;
The high voltage supply wiring is divided into two sections, connects I section PT and Duo Tai pump motor from the 1# inlet wire of 1# main transformer; 2# inlet wire from the 2# main transformer connects II section PT, subsequent use, stand change and many pump motors; Connect by the bus communication between 1# inlet wire and the 2# inlet wire;
Single-trunk segmental wiring is adopted in the low-voltage power supply wiring, and electric pressure is 6kV; Load has illumination, power cabinet, instrument, direct current cabinet, communication.
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| US8818742B2 (en) * | 2011-03-25 | 2014-08-26 | General Electric Company | Systems, methods, and apparatus for detecting theft and status of electrical power |
| CN103164998B (en) * | 2011-12-14 | 2015-06-03 | 中国广东核电集团有限公司 | Training device and training method for monitoring operation |
| CN105336240A (en) * | 2015-11-30 | 2016-02-17 | 浙江亚龙教育装备股份有限公司 | Misoperation alarming and recording device of electrician practical training equipment |
| CN111899488A (en) * | 2020-08-27 | 2020-11-06 | 山顿电子有限公司 | HPM3350 monitoring module of high-frequency module machine |
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| CN2049430U (en) * | 1989-04-01 | 1989-12-13 | 南通市通明电力技术开发公司 | Wireless monitoring and power load control device for tansformer substation |
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| CN2049430U (en) * | 1989-04-01 | 1989-12-13 | 南通市通明电力技术开发公司 | Wireless monitoring and power load control device for tansformer substation |
| CN101227063A (en) * | 2006-12-28 | 2008-07-23 | 通用电气公司 | Intelligent electronic devices with integrated buttons for substations |
| CN101158847A (en) * | 2007-08-23 | 2008-04-09 | 济南钢铁集团总公司 | Electric power substation software emulation platform building method and no power off upgrading improved method |
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