CN104007667A - Direct current isolated island operational stability closed loop simulation detection equipment and detection method - Google Patents
Direct current isolated island operational stability closed loop simulation detection equipment and detection method Download PDFInfo
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Abstract
Provided are direct current isolated island operational stability closed loop simulation detection equipment and a detection method. The equipment is provided with a power station monitoring system, an excitation control system, a governor electrical regulating system, a governor actuator system, an extra-high voltage direct current control protection system, a real-time simulation system, an interface interactive system and a power amplifier. The power station monitoring system, the excitation control system and the governor electrical regulating system collect control observation quantity of the real-time simulation system through the interface interactive system and the power amplifier and input control information to the real-time simulation system, and the extra-high voltage direct current control protection system carries out control operation on a direct current transmission system. The detection method is carried out through the equipment. The direct current isolated island operational stability closed loop simulation detection equipment and the detection method can detect frequency stability, voltage stability, machine-network coordination control characteristics of a high-capacity direct current isolated island system, shorten the period of field tests, avoid risks of the field tests, improve safety stability of electric power system operation, and has the advantages of being flexible in operation control, high in precision of simulation results and the like.
Description
Technical field
The present invention relates to stability of power system technical field, particularly relate to a kind of direct current islet operation stability closed-loop simulation checkout equipment and detection method thereof.
Background technology
Along with being constructed and put into operation of large capacity ultrahigh voltage DC transmission system, its huge transmission line capability has significantly improved the power delivery capabilities of electric system.Refer to ± 800kV of extra-high voltage DC transmission system magnitude standard.Yet, when large capacity ultrahigh voltage straight-flow system and AC system parallel running, direct current component will bring considerable influence to the stability of AC network main grid structure, and direct current locking will cause AC system circuit to get over limit operation, occur the problems such as system damping level is low, system transient modelling unstability.For reducing the impact of large capacity ultrahigh voltage direct current locking fault on electricity net safety stable aspect, high-capacity direct current transmission system need to adopt decoupled mode, i.e. direct current converting plant and sending end power supply self-organizing system.
Stability in order to ensure actual transmission system; need to for direct current islanded system, accurately study control characteristic, the DC control protection feature of genset, especially need to reflect in detail that genset is from loading to the speed regulating control characteristic of shutting down broad operating condition.Because direct current islanded system itself is an accurate mini system, compare with large system, direct current islanded system to the fault-tolerance of simulation parameter and model bias a little less than.And emulation checkout equipment of the prior art and detection method are not suitable for direct current islanded system.
Therefore, not enough for prior art, provide a kind of direct current islet operation stability closed-loop simulation checkout equipment and detection method thereof very necessary to overcome prior art deficiency.
Summary of the invention
The object of the invention is to avoid the deficiencies in the prior art part and a kind of direct current islet operation stability closed-loop simulation checkout equipment and detection method thereof are provided, can study to the control characteristic of high-capacity direct current islanded system the stability of Accurate Analysis islanded system.
Above-mentioned purpose of the present invention realizes by following technological means.
A direct current islet operation stability closed-loop simulation checkout equipment, is provided with Power Station Monitored Control System, exciter control system, the electric regulating system of speed regulator, speed regulator actuator system, extra-high voltage direct-current control protection system, real-time emulation system, interactive interfacing system and power amplifier;
The first output terminal of described real-time emulation system is connected with the four-input terminal of described interactive interfacing system, the 3rd output terminal of described interactive interfacing system is connected with the first input end of described real-time emulation system, the first output terminal of described interactive interfacing system is connected with the first input end of described power amplifier, the first output terminal of described power amplifier is connected with the first input end of described Power Station Monitored Control System, the second output terminal of described power amplifier is connected with the second input end of described exciter control system, the 3rd output terminal of described power amplifier is connected with the second input end of the electric regulating system of described speed regulator, the first output terminal of described Power Station Monitored Control System is connected with the first input end of the electric regulating system of described speed regulator, the second output terminal of described Power Station Monitored Control System is connected with the first input end of described exciter control system, the first output terminal of the electric regulating system of described speed regulator is connected with the first input end of described speed regulator actuator system, the first output terminal of described exciter control system is connected with the first input end of described interactive interfacing system, the first output terminal of described speed regulator actuator system is connected with the second input end of described interactive interfacing system, described extra-high voltage direct-current is controlled the first output terminal of protection system and the 3rd input end of described interactive interfacing system is connected, the second output terminal of described interactive interfacing system is connected with the first input end that described extra-high voltage direct-current is controlled protection system,
Described Power Station Monitored Control System, exciter control system, the electric regulating system of speed regulator are gathered bus ABC three-phase voltage instantaneous value, stator ABC three-phase current instantaneous value, the breaker closing position control observed quantity of unit machine end of described real-time emulation system and control information are inputed to described real-time emulation system by interactive interfacing system and power amplifier, and described extra-high voltage direct-current is controlled protection system and carried out DC transmission system control operation.
onstate the electric regulating system of Power Station Monitored Control System, exciter control system and speed regulator and carry out system-level frequency, Voltage Stability Control; The electric regulating system of described speed regulator is combined the active power of genset is controlled and the frequency of genset is regulated with speed regulator actuator system; Described Power Station Monitored Control System, exciter control system, the electric regulating system of speed regulator, speed regulator actuator system integral body are controlled the genset of direct current islet operation system; Described extra-high voltage direct-current is controlled protection system and is realized the control to direct current islet operation system.
Above-mentioned real-time emulation system is RTDS emulator.
Above-mentioned real-time emulation system carries out real-time simulation calculating to Large Hydroelectric Set, DC transmission system and corresponding transmission line of alternation current.
The GTDI board that above-mentioned interactive interfacing system is provided with the GTAO board of sending for DA signal, the GTAI board of sending into for AD signal, the GTDO board of sending for switching value and sends into for switching value.
The model of above-mentioned power amplifier is PA30B Digital Simulation power amplifier.
A direct current islet operation stability closed-loop simulation detection method, adopts direct current islet operation stability closed-loop simulation checkout equipment described above to carry out,
Control device by real-time emulation system by interactive interfacing system, power amplifier Large Hydroelectric Set reality connects, and real-time emulation system is connected with large capacity ultrahigh voltage DC control and protection system by interactive interfacing system;
Adopt described real-time emulation system to carry out real-time simulation calculating to Large Hydroelectric Set, DC transmission system and corresponding transmission line of alternation current, described control device gathers the working condition signal of described real-time emulation system and carries out computing and obtains control information, and described control device returns to corresponding control information to be delivered to described real-time emulation system;
Described extra-high voltage direct-current is controlled protection system and is realized the control operation to large capacity ultrahigh voltage DC transmission system.
The control device of above-mentioned Large Hydroelectric Set reality comprises Power Station Monitored Control System, exciter control system, the electric regulating system of speed regulator and speed regulator actuator system;
Power Station Monitored Control System is realized the generating plant that comprises many Large Hydroelectric Set paired runnings is carried out to Automatic Generation Control and automatism voltage control, and the steering order of Power Station Monitored Control System is issued to exciter control system and the electric regulating system of speed regulator by fieldbus;
Exciter control system is realized excitation control, the voltage-regulation to Large Hydroelectric Set;
The electric regulating system of speed regulator is combined realization to Large Hydroelectric Set speed regulating control with speed regulator actuator system;
The electric regulating system of speed regulator realizes set end voltage measurement, generating unit speed conversion, the electric adjusting control simulation of speed regulator, and exports the instruction of pitch aperture;
Speed regulator actuator system realizes power station diversion system, the hydraulic turbine, hydraulic system simulation, and the former dynamic torque of output generator group.
Direct current islet operation stability closed-loop simulation checkout equipment of the present invention, is provided with Power Station Monitored Control System, exciter control system, the electric regulating system of speed regulator, speed regulator actuator system, extra-high voltage direct-current control protection system, real-time emulation system, interactive interfacing system and power amplifier; Described Power Station Monitored Control System, exciter control system, the electric regulating system of speed regulator are gathered bus ABC three-phase voltage instantaneous value, stator ABC three-phase current instantaneous value, the breaker closing position control observed quantity of unit machine end of described real-time emulation system and control information are inputed to described real-time emulation system by interactive interfacing system and power amplifier, and described extra-high voltage direct-current is controlled protection system and carried out DC transmission system control operation.Can study to the control characteristic of high-capacity direct current islanded system the stability of Accurate Analysis islanded system.
Direct current islet operation stability closed-loop simulation detection method of the present invention, adopt direct current islet operation stability closed-loop simulation checkout equipment described above to carry out, control device by real-time emulation system by interactive interfacing system, power amplifier Large Hydroelectric Set reality connects, and real-time emulation system is connected with large capacity ultrahigh voltage DC control and protection system by interactive interfacing system; Adopt described real-time emulation system to carry out real-time simulation calculating to Large Hydroelectric Set, DC transmission system and corresponding transmission line of alternation current, described control device gathers the working condition signal of described real-time emulation system and carries out computing and obtains control information, and described control device returns to corresponding control information to be delivered to described real-time emulation system; Described extra-high voltage direct-current is controlled protection system and is realized the control operation to large capacity ultrahigh voltage DC transmission system.Can study to the control characteristic of high-capacity direct current islanded system the stability of Accurate Analysis islanded system.
Accompanying drawing explanation
The present invention is further illustrated to utilize accompanying drawing, but content in accompanying drawing does not form any limitation of the invention.
Fig. 1 is the structural representation of a kind of direct current islet operation of the present invention stability closed-loop simulation checkout equipment.
Fig. 2 is the structural representation of Power Station Monitored Control System of the present invention.
Fig. 3 is the structural representation of generator static exciting control system of the present invention.
Fig. 4 is the structural representation of generator speed regulating control of the present invention.
Fig. 5 is the structural representation of dynamo governor of the present invention topworks.
Fig. 6 is the structural representation of direct current islanded system of the present invention.
Embodiment
The invention will be further described with the following Examples.
embodiment 1.
A kind of direct current islet operation stability closed-loop simulation checkout equipment; as shown in Figure 1, be provided with Power Station Monitored Control System 100, exciter control system 200, the electric regulating system 300 of speed regulator, speed regulator actuator system 400, extra-high voltage direct-current control protection system 500, real-time emulation system 600, interactive interfacing system 700 and power amplifier 800.
The first output terminal 611 of real-time emulation system 600 is connected with the four-input terminal 724 of interactive interfacing system 700, the 3rd output terminal 713 of interactive interfacing system 700 is connected with the first input end 621 of described real-time emulation system 600, the first output terminal 711 of described interactive interfacing system 700 is connected with the first input end 821 of described power amplifier 800, the first output terminal 811 of described power amplifier 800 is connected with the first input end 121 of described Power Station Monitored Control System 100, the second output terminal of described power amplifier 800 is connected with the second input end 222 of exciter control system described in 812 200, the 3rd output terminal 813 of described power amplifier 800 is connected with the second input end 322 of the electric regulating system 300 of described speed regulator, the first output terminal 111 of described Power Station Monitored Control System 100 is connected with the first input end 321 of the electric regulating system 300 of described speed regulator, the second output terminal 112 of described Power Station Monitored Control System is connected with the first input end 221 of described exciter control system 200, the first output terminal 311 of the electric regulating system 300 of described speed regulator is connected with the first input end 421 of described speed regulator actuator system 400, the first output terminal 211 of described exciter control system 200 is connected with the first input end 721 of described interactive interfacing system 700, the first output terminal 411 of described speed regulator actuator system 400 is connected with the second input end 722 of described interactive interfacing system 700, described extra-high voltage direct-current is controlled the first output terminal 511 of protection system 500 and the 3rd input end 723 of described interactive interfacing system 700 is connected, the second output terminal 712 of described interactive interfacing system 700 is connected with the first input end 521 that described extra-high voltage direct-current is controlled protection system 500.
Power Station Monitored Control System 100, exciter control system 200, the electric regulating system 300 of speed regulator are gathered the control observation amount of described real-time emulation system 600 and control information are inputed to described real-time emulation system 600 by interactive interfacing system 700 and power amplifier 800, and described extra-high voltage direct-current is controlled protection system 500 and carried out DC transmission system control operation.
Concrete, the electric regulating system 300 of Power Station Monitored Control System 100, exciter control system 200 and speed regulator is carried out system-level frequency, Voltage Stability Control; The electric regulating system 300 of speed regulator is combined the active power of genset is controlled and the frequency of genset is regulated with speed regulator actuator system 400; Power Station Monitored Control System 100, exciter control system 200, the electric regulating system 300 of speed regulator, speed regulator actuator system 400 integral body are controlled the genset of direct current islet operation system; Extra-high voltage direct-current is controlled the control that protection system 500 realizes direct current islet operation system.
Meritorious, the idle adjusting control at the excitation that this direct current islet operation stability closed-loop simulation checkout equipment has comprised genset, speed regulating control and full station, the control protection of DC transmission system; the interaction between direct current islanded system unit and straight-flow system, the interaction between unit can be accurately reflected, the process of unit steering logic, DC control protection logical action can be accurately reflected.Therefore can study to the control characteristic of high-capacity direct current islanded system the stability of Accurate Analysis islanded system.
embodiment 2.
A direct current islet operation stability closed-loop simulation checkout equipment, other structure is identical with embodiment 1, and difference is also have following technical characterictic:
Real-time emulation system 600 is RTDS(Real Time Digital Simulation) emulator.RTDS power system real-time simulation equipment, is developed by Canadian RTDS technology company.Full digital real-time simulator is comprised of hardware device Rack such as computing chip RSCAD, computation processor etc., comprises supporting workstation or microcomputer, can be continuously and carry out in real time the electromagnetic transient simulation research of electric system.
Real-time simulation calculating is carried out in 600 pairs of Large Hydroelectric Set of real-time emulation system, DC transmission system and corresponding transmission line of alternation current.Specifically direct current islanded system power unit is comprised to Large Hydroelectric Set six rank circuit model electromagnetic transient simulations calculating, DC transmission system 12 flutter valve models and the calculating of DC line electromagnetic transient simulation, transmission line of alternation current row wave pattern electromagnetic transient simulation calculate.
Interactive interfacing system 700 is the communication interactive system that real-time emulation system 600 is connected with power grid control protective device, the GTDI board that is provided with the GTAO board of sending for DA signal, the GTAI board of sending into for AD signal, the GTDO board of sending for switching value and sends into for switching value.The electric regulating system 300 collection generator unit stator electric currents of the Power Station Monitored Control System 100 of Large Hydroelectric Set, exciter control system 200 and speed regulator, set end voltage, machine end circuit-breaker switching on-off position signals are controlled to calculate and are obtained control signal, and control device returns to real-time emulation system 600 by corresponding control signal.
The model of power amplifier 800 is PA30B Digital Simulation power amplifier.
Power Station Monitored Control System 100 is become by two sides control flow group, comprises IO module and CPU, realizes AGC, AVC function, according to certain algorithm, completes the control of full station genset active power, frequency adjustment, Reactive Power Control, voltage-regulation.
Wherein, AGC is according to controlling with the proportional principle of capacity, i.e. formula (1).
In formula,
for participating in the generator quantity of AGC frequency modulation control;
for participating in the of AGC frequency modulation
platform unit is maximum output under current head;
for all units of participating in AGC frequency modulation are in the current head sum of exerting oneself;
for AGC is assigned to
the active power instruction of platform unit.
It is idle that AVC controls unit according to automatism voltage control principle, i.e. following formula (2) and (3).
According to the total idle mode in the given full station of scheduling, control Reactive load allocating:
；
In formula,
for the idle setting value in full station;
by not participating in AVC, control unit and sent out sum idle;
According to the given bus voltage value of scheduling, to full station is idle, distribute:
；
In formula,
for bus virtual voltage and given voltage deviation;
for the pressure regulation coefficient of busbar voltage in range of normal value.
Large Hydroelectric Set exciter control system 200 becomes by simultaneously shielding group, comprises adjustment of field excitation and PSS, and excitation controller comprises Voltage loop AVR and exciting current ring ECR function.
Voltage loop AVR: control aim parameter is generator terminal voltage, and during operation, set-point can be adjusted in allowed band;
Exciting current ring ECR: control aim parameter is exciting current, and set-point during operation can be 10%
to 110%
in scope, adjust (
for generator rated exciting current,
for generator open-circuit excitation electric current).
The electric adjusting control law of the electric regulating system 300 true reflection genset speed regulator of speed regulator, by simultaneously shielding group, become, comprise that gathering genset set end voltage, stator current is converted to the generator speed signal of primary frequency modulation control, control mode switch according to certain algorithm, be scaled unit and determine the active power signal that power is controlled, as the aperture control of the electric adjusting of speed regulator, the input signal of power control mode.The instruction of the final output pitch of the electric regulating system 300 of speed regulator is as the aperture signal of speed regulator topworks.
The links such as the inner loop of the topworks of speed regulator actuator system 400 simulation units, hydraulic system, the hydraulic turbine, diversion system; the dead band of topworks, saturated, speed restriction characteristic and sequence closing rule can be accurately reflected, Calculations of Hydraulic Transient, the mechanical transition process characteristic Simulation of broad range of operation from be fully loaded with to shutting down can be realized.The former dynamic torque of speed regulator actuator system 400 final output generator groups, actuating unit rotor.
Extra-high voltage direct-current is controlled normal on off control, emergency outage control, the power adjustments that protection system 500 can realize DC transmission system, can realize the protection simulation of DC transmission system valve cell, DC line, ground electrode circuit.
The structural representation of Power Station Monitored Control System as shown in Figure 2, the structural representation of generator static exciting control system as shown in Figure 3, the structural representation of generator speed regulating control as shown in Figure 4, as shown in Figure 5, the structural representation of direct current islanded system as shown in Figure 6 for the structural representation of dynamo governor topworks.
Meritorious, the idle adjusting control at the excitation that the closed-loop control simulation test platform of direct current islet operation stability analysis has comprised genset, speed regulating control and full station, the control protection of DC transmission system; the interaction between direct current islanded system unit and straight-flow system, the interaction between unit can be accurately reflected, the process of unit steering logic, DC control protection logical action can be accurately reflected.Can study to the control characteristic of high-capacity direct current islanded system the stability of Accurate Analysis islanded system.
embodiment 3.
A kind of direct current islet operation stability closed-loop simulation detection method, adopt the direct current islet operation stability closed-loop simulation checkout equipment described in as above embodiment 1 or 2 to carry out, control device by real-time emulation system 600 by interactive interfacing system 700, power amplifier 800 Large Hydroelectric Set reality connects, and real-time emulation system 600 is connected with large capacity ultrahigh voltage DC control and protection system 500 by interactive interfacing system 700;
Adopt 600 pairs of Large Hydroelectric Set of described real-time emulation system, DC transmission system and corresponding transmission line of alternation current to carry out real-time simulation calculating, control device gathers the working condition signal of real-time emulation system 600 and carries out computing and obtains control information, and control device returns to corresponding control information to be delivered to real-time emulation system 600.
Extra-high voltage direct-current is controlled the control operation that protection system 500 realizes large capacity ultrahigh voltage DC transmission system.
The control device of Large Hydroelectric Set reality comprises Power Station Monitored Control System 100, exciter control system 200, the electric regulating system 300 of speed regulator and speed regulator actuator system 400.
Power Station Monitored Control System 100 is realized the generating plant that comprises many Large Hydroelectric Set paired runnings is carried out to Automatic Generation Control and automatism voltage control, and the steering order of Power Station Monitored Control System 100 is issued to exciter control system 200 and the electric regulating system 300 of speed regulator by fieldbus.
Exciter control system 200 is realized excitation control, the voltage-regulation to Large Hydroelectric Set, the electric regulating system 300 of speed regulator is combined realization to Large Hydroelectric Set speed regulating control with speed regulator actuator system 400, the electric regulating system 300 of speed regulator realizes set end voltage measurement, generating unit speed conversion, the electric adjusting control simulation of speed regulator, and export the instruction of pitch aperture, speed regulator actuator system 400 realizes power station diversion system, the hydraulic turbine, hydraulic system simulation, and the former dynamic torque of output generator group.
The present invention can realize the detection research of high-capacity direct current islanded system frequency stability, voltage stability, machine net being coordinated to control characteristic, shortens the cycle of site test, evades the risk of site test, improves the security and stability of Operation of Electric Systems.There is operation and control flexible, simulation result precision high.
Finally should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention but not limiting the scope of the invention; although the present invention is explained in detail with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement technical scheme of the present invention, and not depart from essence and the scope of technical solution of the present invention.
Claims (8)
1. a direct current islet operation stability closed-loop simulation checkout equipment, is characterized in that:
Be provided with Power Station Monitored Control System, exciter control system, the electric regulating system of speed regulator, speed regulator actuator system, extra-high voltage direct-current control protection system, real-time emulation system, interactive interfacing system and power amplifier;
The first output terminal of described real-time emulation system is connected with the four-input terminal of described interactive interfacing system, the 3rd output terminal of described interactive interfacing system is connected with the first input end of described real-time emulation system, the first output terminal of described interactive interfacing system is connected with the first input end of described power amplifier, the first output terminal of described power amplifier is connected with the first input end of described Power Station Monitored Control System, the second output terminal of described power amplifier is connected with the second input end of described exciter control system, the 3rd output terminal of described power amplifier is connected with the second input end of the electric regulating system of described speed regulator, the first output terminal of described Power Station Monitored Control System is connected with the first input end of the electric regulating system of described speed regulator, the second output terminal of described Power Station Monitored Control System is connected with the first input end of described exciter control system, the first output terminal of the electric regulating system of described speed regulator is connected with the first input end of described speed regulator actuator system, the first output terminal of described exciter control system is connected with the first input end of described interactive interfacing system, the first output terminal of described speed regulator actuator system is connected with the second input end of described interactive interfacing system, described extra-high voltage direct-current is controlled the first output terminal of protection system and the 3rd input end of described interactive interfacing system is connected, the second output terminal of described interactive interfacing system is connected with the first input end that described extra-high voltage direct-current is controlled protection system,
Described Power Station Monitored Control System, exciter control system, the electric regulating system of speed regulator are gathered the control observation amount of described real-time emulation system and control information are inputed to described real-time emulation system by interactive interfacing system and power amplifier, and described extra-high voltage direct-current is controlled protection system and carried out DC transmission system control operation.
2. direct current islet operation stability closed-loop simulation checkout equipment according to claim 1, is characterized in that: the electric regulating system of described Power Station Monitored Control System, exciter control system and speed regulator is carried out system-level frequency, Voltage Stability Control; The electric regulating system of described speed regulator is combined the active power of genset is controlled and the frequency of genset is regulated with speed regulator actuator system; Described Power Station Monitored Control System, exciter control system, the electric regulating system of speed regulator, speed regulator actuator system integral body are controlled the genset of direct current islet operation system; Described extra-high voltage direct-current is controlled protection system and is realized the control to direct current islet operation system.
3. direct current islet operation stability closed-loop simulation checkout equipment according to claim 2, is characterized in that: described real-time emulation system is RTDS emulator.
4. direct current islet operation stability closed-loop simulation checkout equipment according to claim 3, is characterized in that: described real-time emulation system carries out real-time simulation calculating to Large Hydroelectric Set, DC transmission system and corresponding transmission line of alternation current.
5. direct current islet operation stability closed-loop simulation checkout equipment according to claim 1 and 2, is characterized in that: the GTDI board that described interactive interfacing system is provided with the GTAO board of sending for DA signal, the GTAI board of sending into for AD signal, the GTDO board of sending for switching value and sends into for switching value.
6. direct current islet operation stability closed-loop simulation checkout equipment according to claim 1 and 2, is characterized in that: the model of described power amplifier is PA30B Digital Simulation power amplifier.
7. a direct current islet operation stability closed-loop simulation detection method, is characterized in that: the direct current islet operation stability closed-loop simulation checkout equipment of employing as described in claim 1 to 6 any one carries out,
Control device by real-time emulation system by interactive interfacing system, power amplifier Large Hydroelectric Set reality connects, and real-time emulation system is connected with large capacity ultrahigh voltage DC control and protection system by interactive interfacing system;
Adopt described real-time emulation system to carry out real-time simulation calculating to Large Hydroelectric Set, DC transmission system and corresponding transmission line of alternation current, described control device gathers the working condition signal of described real-time emulation system and carries out computing and obtains control information, and described control device returns to corresponding control information to be delivered to described real-time emulation system;
Described extra-high voltage direct-current is controlled protection system and is realized the control operation to large capacity ultrahigh voltage DC transmission system.
8. direct current islet operation stability closed-loop simulation detection method according to claim 7, is characterized in that:
The control device of described Large Hydroelectric Set reality comprises Power Station Monitored Control System, exciter control system, the electric regulating system of speed regulator and speed regulator actuator system;
Power Station Monitored Control System is realized the generating plant that comprises many Large Hydroelectric Set paired runnings is carried out to Automatic Generation Control and automatism voltage control, and the steering order of Power Station Monitored Control System is issued to exciter control system and the electric regulating system of speed regulator by fieldbus;
Exciter control system is realized excitation control, the voltage-regulation to Large Hydroelectric Set;
The electric regulating system of speed regulator is combined realization to Large Hydroelectric Set speed regulating control with speed regulator actuator system;
The electric regulating system of speed regulator realizes set end voltage measurement, generating unit speed conversion, the electric adjusting control simulation of speed regulator, and exports the instruction of pitch aperture;
Speed regulator actuator system realizes power station diversion system, the hydraulic turbine, hydraulic system simulation, and the former dynamic torque of output generator group.
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| CN105576652B (en) * | 2015-12-30 | 2018-04-10 | 中国南方电网有限责任公司 | A kind of voltage control method and system of D.C. high voltage transmission sending end |
| CN106100141B (en) * | 2016-08-27 | 2019-03-22 | 无锡威泰迅电力科技有限公司 | Power station active power and reactive power automatic control system |
| CN106100141A (en) * | 2016-08-27 | 2016-11-09 | 无锡威泰迅电力科技有限公司 | Power station active power and reactive power automatic control system |
| CN107168103A (en) * | 2017-06-22 | 2017-09-15 | 南方电网科学研究院有限责任公司 | Hydroelectric generating set speed regulation control simulation method and system |
| CN107168103B (en) * | 2017-06-22 | 2020-03-24 | 南方电网科学研究院有限责任公司 | Hydroelectric generating set speed regulation control simulation method and system |
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| CN111856311B (en) * | 2020-07-06 | 2021-08-03 | 上海交通大学 | Distributed power island detection method and system for medium and low voltage DC systems |
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