CN106885962B - STATCOM test method and system - Google Patents
STATCOM test method and system Download PDFInfo
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- CN106885962B CN106885962B CN201710199695.4A CN201710199695A CN106885962B CN 106885962 B CN106885962 B CN 106885962B CN 201710199695 A CN201710199695 A CN 201710199695A CN 106885962 B CN106885962 B CN 106885962B
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
The invention relates to a STATCOM test method and a system, wherein the method comprises the following steps: the STATCOM simulation device simulates each STATCOM system, collects the alternating voltage signal and the alternating current signal of each STATCOM system and transmits the signals to the STATCOM main control device; the STATCOM main control device carries out information interaction with the STATCOM simulation device, and determines reactive power instructions and reactive power regulation rates of the STATCOMs; in addition, the STATCOM master control device and the STATCOM slave control device carry out information interaction, the reactive power instruction and the reactive power regulation rate of each STATCOM are transmitted to the STATCOM slave control device, and the STATCOM slave control device completes the actual reactive power calculation of each STATCOM system and sends the calculation result to the STATCOM master control device. The STATCOM test method and the system can realize synchronous test of a plurality of sets of STATCOM units, can be used for carrying out test research on an actual engineering device, and are convenient to operate.
Description
Technical field
The present invention relates to STATCOM experimental technique fields, more particularly to a kind of STATCOM test method and system.
Background technique
STATCOM (Static Synchronous Compensator, static synchronous compensating device) is current idle benefit
The representative for repaying field state-of-the-art technology belongs to the important component of flexible flexible AC transmitting system (FACTS).STATCOM is simultaneously
It is coupled in power grid, is equivalent to a controllable reactive current source, reactive current can rapidly follow reactive load electric current
Change and change, reactive power needed for automatic compensation network system realizes dynamic passive compensation to power system reactive power.It is main to use
In support alternating voltage, improve the effect of AC system.STATCOM is applied to power grid and power consumer end more and more widely,
For improving Network Voltage Stability, improving custom power quality and achieving the purpose that saving electric energy.
Before power engineering operation, usually tested using key technology of the STATCOM pilot system to STATCOM,
It has very important significance to improve STATCOM device quality, shorten construction period, ensure power grid security etc..
When being tested using key technology of the STATCOM pilot system to STATCOM, we it is generally desirable to
STATCOM pilot system is completely the same with Practical Project device when testing STATCOM, but due to Practical Project plant area face
Product is big, and number of devices is more, when especially containing more set STATCOM units, all devices all can not be mounted on limited test
In the space of room, therefore experimental study can not be carried out to Practical Project device using STATCOM pilot system.
Summary of the invention
Based on this, it is necessary to cannot achieve test to Practical Project device for existing STATCOM pilot system and grind
Study carefully problem, a kind of STATCOM test method and system are provided.
A kind of STATCOM test method, comprising the following steps:
Receive the ac voltage signal and ac current signal of each STATCOM system, the exchange of each STATCOM system
Voltage signal and ac current signal are to emulate each STATCOM system by STATCOM simulator to generate；
Each STATCOM system valve group driving signal and protection signal are sent to the STATCOM simulator；
The STATCOM simulator is received to be produced according to each STATCOM system valve group driving signal and protection signal
The DC capacitor voltage value of raw each STATCOM system；
Receiving STATCOM, each STATCOM is from the running state information of controller from control device, and according to described each
STATCOM carries out inactivity from controller to each STATCOM from the running state information of controller and divides equally control；
According to the ac voltage signal of each STATCOM system, ac current signal and each STATCOM system
DC capacitor voltage value determines the reactive power instruction and reactive power regulations speed of each STATCOM system, and will be described each
It is corresponding from control device that the reactive power instruction of STATCOM system and reactive power regulations speed are transmitted to the STATCOM
STATCOM is from controller；
The STATCOM is received from control device according to the instruction of the reactive power of each STATCOM system and reactive power
The practical reactive power value of each STATCOM system is exported after regulations speed progress Reactive Power Control.
A kind of STATCOM pilot system, comprising: STATCOM simulator, STATCOM master control set and STATCOM are from control
Device, wherein the STATCOM from control device include: at least one STATCOM from controller；
The STATCOM master control set is separately connected the STATCOM simulator and the STATCOM from controller；
The STATCOM simulator acquires the friendship of each STATCOM system for emulating each STATCOM system
Voltage signal and ac current signal are flowed, the ac voltage signal of each STATCOM system and ac current signal are transmitted
To the STATCOM master control set, each STATCOM system valve group driving signal that the STATCOM master control set generates is received
And protection signal, the direct current of each STATCOM system is generated according to each STATCOM system valve group driving signal and protection signal
Capacitance voltage value, and the DC capacitor voltage value of each STATCOM system is transmitted to the STATCOM master control set；
The STATCOM master control set is for performing the following operations:
Receive the ac voltage signal and ac current signal of each STATCOM system, the exchange of each STATCOM system
Voltage signal and ac current signal are to emulate each STATCOM system by STATCOM simulator to generate；
Each STATCOM system valve group driving signal and protection signal are sent to the STATCOM simulator；
The STATCOM simulator is received to be produced according to each STATCOM system valve group driving signal and protection signal
The DC capacitor voltage value of raw each STATCOM system；
Receiving STATCOM, each STATCOM is from the running state information of controller from control device, and according to described each
STATCOM carries out inactivity from controller to each STATCOM from the running state information of controller and divides equally control；
According to the ac voltage signal of each STATCOM system, ac current signal and each STATCOM system
DC capacitor voltage value determines the reactive power instruction and reactive power regulations speed of each STATCOM system, and will be described each
It is corresponding from control device that the reactive power instruction of STATCOM system and reactive power regulations speed are transmitted to the STATCOM
STATCOM is from controller；
The STATCOM is received from control device according to the instruction of the reactive power of each STATCOM system and reactive power
The practical reactive power value of each STATCOM system is exported after regulations speed progress Reactive Power Control；
The STATCOM is used to receive the reactive power instruction and reactive power of each STATCOM system from controller
Regulations speed, according to the instruction of the reactive power of each STATCOM system and reactive power regulations speed to each STATCOM from control
Device processed carries out Reactive Power Control, and practical reactive power value to the STATCOM master control for exporting each STATCOM system fills
It sets.
Above-mentioned STATCOM test method and system, including STATCOM simulator, STATCOM master control set and
STATCOM emulates more set STATCOM systems from control device, using STATCOM simulator, measures each STATCOM system
System parameter, is transmitted to STATCOM master control set for each STATCOM system parameter, STATCOM master control set is according to each STATCOM
Respectively from the operating status of controller to respectively operation control is carried out from controller in system parameter and STATCOM master control set, most
The practical reactive power value of each STATCOM system is obtained afterwards, and above-mentioned this method and system may be implemented to more set STATCOM units
Simultaneous test, equipment operation quantity is few, footprint area is small, can carry out test to Practical Project device using the testing equipment and grind
Study carefully, and easy to operate.
Detailed description of the invention
Fig. 1 is the flow diagram of STATCOM test method of the invention in one embodiment；
Fig. 2 is the flow diagram of STATCOM test method of the invention in another embodiment；
Fig. 3 is the structural schematic diagram of STATCOM pilot system of the invention in one embodiment；
Fig. 4 is the flow diagram of STATCOM test method of the invention in another embodiment.
Specific embodiment
The contents of the present invention are described in further detail below in conjunction with preferred embodiment and attached drawing.Obviously, hereafter institute
The examples are only for explaining the invention for description, rather than limitation of the invention.Based on the embodiments of the present invention, this field is general
Logical technical staff every other embodiment obtained without making creative work belongs to what the present invention protected
Range.It should be noted that for ease of description, only some but not all contents related to the present invention are shown in the drawings.
Fig. 1 is the flow diagram of STATCOM test method of the invention in one embodiment, as shown in Figure 1, this hair
STATCOM test method in bright embodiment, comprising the following steps:
Step S110 receives the ac voltage signal and ac current signal of each STATCOM system, each STATCOM
The ac voltage signal and ac current signal of system are to emulate each STATCOM system by STATCOM simulator to generate
's.
In the present embodiment, real-time simulation is carried out to STATCOM system using STATCOM simulator first.Wherein
STATCOM system includes primary system and AC system.STATCOM primary system indicates the high-tension apparatus of STATCOM, can be
STATCOM high pressure valve group, transformer, switch etc., STATCOM AC system indicate the AC electric power systems in addition to STATCOM,
Including alternating-current voltage source, breaker, transmission line of electricity etc..In STATCOM simulator to STATCOM primary system and AC system
During carrying out real-time simulation, the voltage and current signals of STATCOM circuit are acquired in real time, and by the STATCOM system of acquisition
The voltage and current signals of system are sent to STATCOM master control set.
STATCOM simulator can synchronize emulation to more set STATCOM systems, therefore can acquire simultaneously multiple
The ac voltage signal and ac current signal of STATCOM system.
Step S120 sends each STATCOM system valve group driving signal and protection signal to STATCOM simulator.
The alternating voltage letter of each STATCOM system of STATCOM simulator transmission is received in STATCOM master control set
Number and ac current signal after, STATCOM master control set can generate each STATCOM system valve group driving signal and protection signal simultaneously
Send the signal to STATCOM simulator.In the present embodiment, STATCOM system valve group includes state and IGBT device
Part etc..Each STATCOM system valve group driving signal and protection signal are mainly used for controlling conducting and the pass of STATCOM high pressure valve group
Disconnected, protection signal is for protecting high pressure valve group equipment safety.
Step S130 receives STATCOM simulator and is produced according to each STATCOM system valve group driving signal and protection signal
The DC capacitor voltage value of raw each STATCOM system.
Step S140, receive STATCOM from control device each STATCOM from the running state information of controller, and according to
Each STATCOM carries out inactivity from controller to each STATCOM from the running state information of controller and divides equally control.
In the present embodiment, STATCOM is provided with multiple STATCOM from controller from control device, and each
All there are two types of operating statuses, i.e. working condition and quiescent condition (or non-working condition) from controller by STATCOM.STATCOM master
Control device receive STATCOM from control device in each STATCOM after the running state information of controller, judge each STATCOM from
Controller operating status, and in running order STATCOM is counted from controller, and in running order STATCOM
Reactive power, which is carried out, from controller divides equally control.
Step S150, according to the ac voltage signal of each STATCOM system, ac current signal and each STATCOM system
DC capacitor voltage value determine the reactive power instruction and reactive power regulations speed of each STATCOM system, and will be each
It is corresponding from control device that the reactive power instruction of STATCOM system and reactive power regulations speed are transmitted to STATCOM
STATCOM is from controller.
In the present embodiment, each STATCOM system of STATCOM simulator emulate and STATCOM are filled from control
Each STATCOM is corresponding from controller in setting.
In order to make it easy to understand, providing a specific embodiment.STATCOM from control device in be provided with n (n be >=1 it is whole
Number) a STATCOM from controller, be denoted as respectively #1STATCOM from controller, #2STATCOM from controller ..., #n
STATCOM is from controller.STATCOM simulator can emulate n STATCOM system, be denoted as #1STATCOM system, # respectively
2STATCOM system ..., #n STATCOM system, wherein #1STATCOM system and #1STATCOM be corresponding from controller, #
2STATCOM system is corresponding from controller with #2STATCOM, and so on, #n STATCOM system and #n STATCOM are from control
Device processed is corresponding.
In the present embodiment, idle function is determined using ac voltage signal, ac current signal and DC capacitor voltage value
The process of rate instruction and reactive power regulations speed can be realized according to the prior art.
Step S160 receives STATCOM from control device according to the instruction of the reactive power of each STATCOM system and reactive power
The practical reactive power value of each STATCOM system is exported after regulations speed progress Reactive Power Control.
Above-mentioned STATCOM test method emulates more set STATCOM systems using STATCOM simulator, surveys
Fixed each STATCOM system parameter, is transmitted to STATCOM master control set, STATCOM master control set for each STATCOM system parameter
According in each STATCOM system parameter and STATCOM master control set respectively from the operating status of controller to respectively from controller into
Row operation control, finally obtains the practical reactive power value of each STATCOM system, and above-mentioned this method may be implemented to more sets
STATCOM unit simultaneous test, equipment operation quantity is few, footprint area is small, can be filled to Practical Project using the testing equipment
Carry out experimental study is set, and easy to operate.
In a kind of optional embodiment, as shown in Fig. 2, receiving STATCOM from control device according to each STATCOM system
The practical nothing of each STATCOM system is exported after the reactive power instruction and reactive power regulations speed progress Reactive Power Control of system
In the step of function performance number, further includes:
Step S161, the practical reactive power value of each STATCOM system of synchronous acquisition.
In the present embodiment, in STATCOM master control set by each STATCOM from each STATCOM system in controller
During practical reactive power value is transmitted to STATCOM master control set, the idle function of reality of each STATCOM system of synchronous acquisition
Rate value guarantees each STATCOM time consistency that data upload from controller.
In a kind of optional embodiment, as shown in Fig. 2, sending each STATCOM system valve group driving signal and guarantor
It protects before signal to STATCOM simulator, further includes:
Step S170 generates control command and pulse triggering signal, is generated according to control command and pulse triggering signal each
STATCOM system valve group driving signal and protection signal.
According to the STATCOM test method of aforementioned present invention, the present invention also provides a kind of STATCOM pilot system, below
STATCOM pilot system of the invention is described in detail in conjunction with attached drawing and preferred embodiment.
Fig. 3 and Fig. 4 is a kind of structural schematic diagram of the pilot system of STATCOM of the invention in one embodiment.Such as
STATCOM pilot system shown in Fig. 3 and Fig. 4, in the embodiment, comprising: STATCOM simulator 10, STATCOM master control dress
20 and STATCOM is set from control device 30, wherein STATCOM from control device 30 include: at least one STATCOM from controller；
STATCOM master control set 20 is separately connected STATCOM simulator 10 and STATCOM from controller.
STATCOM simulator 10 acquires the alternating voltage of each STATCOM system for emulating each STATCOM system
The ac voltage signal of each STATCOM system and ac current signal are transmitted to STATCOM master by signal and ac current signal
Device is controlled, each STATCOM system valve group driving signal and protection signal that STATCOM master control set generates are received, according to each
STATCOM system valve group driving signal and protection signal generate the DC capacitor voltage value of each STATCOM system, and will be each
The DC capacitor voltage value of STATCOM system is transmitted to STATCOM master control set.
STATCOM master control set 20 is for performing the following operations:
Receive the ac voltage signal and ac current signal of each STATCOM system, the alternating voltage of each STATCOM system
Signal and ac current signal are to emulate each STATCOM system by STATCOM simulator to generate；
Each STATCOM system valve group driving signal and protection signal are sent to STATCOM simulator；
STATCOM simulator is received according to each STATCOM system valve group driving signal and protects each of signal generation
The DC capacitor voltage value of STATCOM system；
Receiving STATCOM, each STATCOM is from the running state information of controller from control device, and according to each STATCOM
Inactivity is carried out from controller to each STATCOM from the running state information of controller and divides equally control；
According to the ac voltage signal of each STATCOM system, the DC capacitor of ac current signal and each STATCOM system
Voltage value determines the reactive power instruction and reactive power regulations speed of each STATCOM system, and by the nothing of each STATCOM system
Function power instruction and reactive power regulations speed be transmitted to STATCOM from control device corresponding STATCOM from controller；
STATCOM is received from control device according to the instruction of the reactive power of each STATCOM system and reactive power regulations speed
The practical reactive power value of each STATCOM system is exported after progress Reactive Power Control.
STATCOM is used to receive the reactive power instruction and reactive power regulations speed of each STATCOM system from controller,
Each STATCOM is carried out from controller according to the instruction of the reactive power of each STATCOM system and reactive power regulations speed idle
Power control, and the practical reactive power value of each STATCOM system is exported to STATCOM master control set.
In a kind of optional embodiment, referring to shown in Fig. 4, STATCOM master control set 20 includes sequentially connected packet
Enclosed tool module controller 21, valve group trigger controller 22, central controller 23 and data simultaneous module 24；
Submodule block controller 21 connects STATCOM simulator 10, and submodule block controller 21 is for receiving valve group triggering control
The control command and pulse triggering signal that device 22 processed generates generate and send STATCOM valve group driving signal and protection signal extremely
STATCOM simulator 10, and receive STATCOM simulator 10 generate each STATCOM system DC capacitor voltage value and
Each STATCOM system valve group status information.
Valve group trigger controller 22 is for generating and sending control command and pulse triggering signal, and receiving submodule controls
The DC capacitor voltage value and each STATCOM system valve group status information for each STATCOM system that device 21 transmits, and will be each
The DC capacitor voltage value of STATCOM system and each STATCOM system valve group status information are transmitted to central controller 23, receive
The modulating wave and carrier signal that central controller 23 generates, generate pulse triggering signal；
Central controller 23 is separately connected STATCOM simulator 10 and STATCOM from controller, and central controller 23 is used
Ac voltage signal and ac current signal, valve group touching in each STATCOM system for receiving the acquisition of STATCOM simulator 10
The DC capacitor voltage value and each STATCOM system valve group status information of each STATCOM system of controller transmission are sent out, and is sent
Modulating wave and carrier signal are to valve group trigger controller 22.
Central controller 23 receives running state information of each STATCOM from controller, and according to each STATCOM from control
The running state information of device carries out inactivity from controller to each STATCOM and divides equally control, according to the exchange of each STATCOM system
The DC capacitor voltage value of voltage signal, ac current signal and each STATCOM system determines the idle function of each STATCOM system
Rate instruction and reactive power regulations speed, and send the reactive power instruction and reactive power regulations speed of each STATCOM system
To each STATCOM from controller, the practical reactive power value of each STATCOM system is received.
Data simultaneous module 24, when for receiving the practical reactive power value of each STATCOM system in central controller 23,
The practical reactive power value of each STATCOM system of synchronous acquisition, it is ensured that time consistency.
In a kind of optional embodiment, the STATCOM simulator 10 includes processing card 11 and interface card 12, place
Reason 11 connecting interface cards 12 of card.Processing card 11 is for emulating each STATCOM system.Interface card 12 is separately connected submodule block controller
21 and central controller 23.
In a kind of optional embodiment, as shown in figure 4, processing card 10 includes: at least one primary processor, it is main
Processor is for emulating STATCOM system, and wherein the number of primary processor is identical as the number of STATCOM from controller.
In a kind of optional embodiment, the interface card 12 includes master card and subcard, and subcard passes through the HPC in master card
Port connects the master card.Master card connects central controller 23, and subcard connects the submodule block controller 21.
In a kind of optional embodiment, the interface card is the interface card based on FPGA.
FPGA (Field Programmable Gate Array, field programmable gate array), which is that one kind is emerging, to be compiled
Journey logical device can replace existing whole microcomputer interface chips, realize that memory, address decoding in microsystem etc. are more
Kind function, has higher density, faster operating rate and bigger flexible in programming, is widely used in various electrical types
In product.FPGA has the characteristics that high speed, high reliability and develops convenient, specification.Interface card based on FPGA can make to count
According to high-speed transfer.
In order to facilitate the understanding of the present invention, referring to Fig. 4 and in conjunction with Fig. 1 to Fig. 3, a more detailed implementation is provided
Example.
A kind of STATCOM pilot system, the pilot system include: STATCOM simulator 10, STATCOM master control set
20, STATCOM from control device 30.Wherein, STATCOM simulator 10 is interconnected by optical fiber and 20 phase of STATCOM master control set
It connects, STATCOM master control set 20 is connected with each other by optical fiber and STATCOM from control device 30.
STATCOM simulator 10 includes processing card 11 and interface card 12.It wherein can between processing card 11 and interface card 12
To be connected using optical fiber, communicated using a kind of AURORA agreement.Aurora is one between point-to-point serial link
The extensible lightweight link layer protocol of mobile data.This provides transparent interface for physical layer, allows proprietary protocol or industrywide standard
Agreement upper layer can easily use high-speed transceiver.Aurora agreement have high bandwidth, be limited solely by transceiver data rate,
It supports a large amount of bonding routes, realizes higher total bandwidth, supports the features such as full duplex and channel simplex.
STATCOM master control set 20, including submodule block controller 21, valve group trigger controller 22,23 and of central controller
Data simultaneous module 24.Wherein, the processing card 12 in 21 first port of submodule block controller and STATCOM simulator 10 connects
It connects, 21 second port of submodule block controller is connect with 22 first port of valve group trigger controller, valve group trigger controller 22 second
Port is connect with 23 first port of central controller, and 23 second port of central controller and 24 first port of data simultaneous module connect
It connects, the interface card 12 in central controller, 23, third port and the connection of STATCOM simulator 10 connects, central controller 23
4th port and STATCOM are connected from control device 30.Wherein, " first port " described here, " second port ", " third end
Mouthful " and " the 4th port " only to facilitate description to STATCOM system, is not defined its function.
STATCOM is represented by #1STATCOM from controller from controller from control device 30, including multiple STATCOM
31, #2STATCOM from controller 32 ..., #n STATCOM from controller 3n, wherein each STATCOM from controller all with
The 4th port of central controller 23 connection in STATCOM master control set 20.
Further, processing card 11 includes multiple primary processors, one STATCOM system of each processor simulation, place
It manages device emulation STATCOM system and STATCOM is corresponded from the STATCOM device in controller, it can be using processing
The 1st primary processor in card 11 carries out real-time simulation to #1STATCOM primary system and AC system, using in processing card 11
The 2nd primary processor to #2STATCOM primary system carry out real-time simulation, using processing card 11 in n-th of primary processor
Real-time simulation is carried out to #n STATCOM primary system and AC system.
Optionally, the primary processor can be for the Power PC primary processor of Freescale company production, dominant frequency
1.7GHz。
Optionally, the interface card 12 is the interface card based on FPGA.
Further, the interface card based on FPGA can be ML605 master card and the Faster company of match company, Sentos production
The FM-S18 subcard of production, FM-S18 subcard are attached by the port HPC in ML605 master card.
According to above-mentioned STATCOM pilot system, a kind of STATCOM test method, comprising the following steps:
(1) using the 1st primary processor in STATCOM simulator 10 in processing card 11 to #1STATCOM system into
Row real-time simulation carries out real-time simulation to #2STATCOM system using the 2nd primary processor in processing card 11, using processing
Card 11 in n-th of primary processor to #n STATCOM system carry out real-time simulation, acquire in real time each STATCOM alternating voltage and
Ac current signal, and pass through interface card 12 for alternating voltage and ac current signal to central controller 23, including friendship
Galvanic electricity briquetting: 500kV three-phase voltage, 35kV three-phase voltage, ac current signal include: electric current, # in the angle #1STATCOM
Electric current ... in the angle 2STATCOM, electric current in the angle #n STATCOM.
(2) 20 Neutron module controller 21 of STATCOM main control unit receives the control that valve group trigger controller 22 issues
Order and pulse triggering signal, submodule block controller 21 generate and transmit valve group driving signal and protection signal interface card 12, connect
Each STATCOM system valve group status information and each STATCOM system dc capacitor that mouth card 12 simultaneous transmissions processing card 11 generates
Voltage value is to valve group trigger controller 22.
(3) valve group trigger controller 22 will be sent to center in each STATCOM valve group status information and DC capacitor voltage value
Controller 23, then central controller 23 sends modulating wave and carrier signal to valve group trigger controller 22, valve group triggering control
Device 22 is compared modulating wave and carrier signal using phase-shifting carrier wave technology, exports pulse triggering signal.
(4) central controller 23 is out of the reception of interface card 12 500kV three-phase voltage, 35kV three-phase voltage, the angle #1STATCOM
In electric current, the angle #2STATCOM after electric current ..., electric current in the angle #n STATCOM, according to #1STATCOM from controller, #2STATCOM
From controller ..., #n STATCOM completes idle respectively control from controller operating status, and according to valve group trigger controller
The 22 each STATCOM system dc capacitance voltage values uploaded calculate reactive power instruction and the reactive power tune of each STATCOM
Rate is saved, and the instruction of the reactive power of each STATCOM system and reactive power regulations speed are transferred to #1STATCOM from control
Device processed, #2STATCOM from controller ..., #n STATCOM is from controller.
(5) #1STATCOM from controller, #2STATCOM from controller ..., #n STATCOM is from controller according to idle
Power instruction and reactive power regulations speed, complete respectively idle control, and by #1STATCOM actually idle output valve, #
2STATCOM actually idle output valve ..., #n STATCOM actually idle output valve respectively on give central controller 23.
(6) data simultaneous module 24 simultaneously to #1STATCOM from controller, #2STATCOM from controller ..., #n
The data that STATCOM is uploaded from controller carry out consistency coordination, and n STATCOM is kept to run simultaneously from controller.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of STATCOM test method, which comprises the following steps:
Receive the ac voltage signal and ac current signal of each STATCOM system, the alternating voltage of each STATCOM system
Signal and ac current signal are to emulate each STATCOM system by STATCOM simulator to generate；
It sends the valve group driving signal of each STATCOM system and protects signal to the STATCOM simulator；
The STATCOM simulator is received to be generated according to the valve group driving signal of each STATCOM system and protection signal
Each STATCOM system DC capacitor voltage value；
Receiving STATCOM, each STATCOM is from the running state information of controller from control device, and according to each STATCOM
Reactive power is carried out from controller to each STATCOM from the running state information of controller and divides equally control；
According to the ac voltage signal of each STATCOM system, the direct current of ac current signal and each STATCOM system
Capacitance voltage value determines the reactive power instruction and reactive power regulations speed of each STATCOM system, and by each STATCOM
The reactive power instruction of system and reactive power regulations speed are transmitted to the STATCOM corresponding STATCOM from control device
From controller；
It receives the STATCOM and is adjusted from control device according to the instruction of the reactive power of each STATCOM system and reactive power
Rate carries out the practical reactive power value of each STATCOM system exported after Reactive Power Control.
2. STATCOM test method according to claim 1, which is characterized in that receiving the STATCOM from control device
It is exported respectively after carrying out Reactive Power Control according to the instruction of the reactive power of each STATCOM system and reactive power regulations speed
In the step of practical reactive power value of STATCOM system, further includes:
The practical reactive power value of each STATCOM system of synchronous acquisition.
3. STATCOM test method according to claim 1, which is characterized in that driven sending each STATCOM system valve group
Before dynamic signal and protection signal to the STATCOM simulator, further includes:
Control command and pulse triggering signal are generated, is generated according to the control command and pulse triggering signal described each
STATCOM system valve group driving signal and protection signal.
4. a kind of STATCOM pilot system characterized by comprising STATCOM simulator, STATCOM master control set and
STATCOM is from control device, wherein the STATCOM from control device include: at least one STATCOM from controller；
The STATCOM master control set is separately connected the STATCOM simulator and the STATCOM from controller；
The STATCOM simulator acquires the alternating current of each STATCOM system for emulating each STATCOM system
Signal and ac current signal are pressed, the ac voltage signal of each STATCOM system and ac current signal are transmitted to institute
STATCOM master control set is stated, each STATCOM system valve group driving signal and guarantor that the STATCOM master control set generates are received
Signal is protected, the DC capacitor of each STATCOM system is generated according to each STATCOM system valve group driving signal and protection signal
Voltage value, and the DC capacitor voltage value of each STATCOM system is transmitted to the STATCOM master control set；
The STATCOM master control set is for performing the following operations:
Receive the ac voltage signal and ac current signal of each STATCOM system, the alternating voltage of each STATCOM system
Signal and ac current signal are to emulate each STATCOM system by STATCOM simulator to generate；
Each STATCOM system valve group driving signal and protection signal are sent to the STATCOM simulator；
Receive what the STATCOM simulator was generated according to each STATCOM system valve group driving signal and protection signal
The DC capacitor voltage value of each STATCOM system；
Receiving STATCOM, each STATCOM is from the running state information of controller from control device, and according to each STATCOM
Inactivity is carried out from controller to each STATCOM from the running state information of controller and divides equally control；
According to the ac voltage signal of each STATCOM system, the direct current of ac current signal and each STATCOM system
Capacitance voltage value determines the reactive power instruction and reactive power regulations speed of each STATCOM system, and by each STATCOM
The reactive power instruction of system and reactive power regulations speed are transmitted to the STATCOM corresponding STATCOM from control device
From controller；
It receives the STATCOM and is adjusted from control device according to the instruction of the reactive power of each STATCOM system and reactive power
The practical reactive power value of each STATCOM system is exported after rate progress Reactive Power Control；
The STATCOM is used to receive the reactive power instruction of each STATCOM system from controller and reactive power is adjusted
Rate, according to the instruction of the reactive power of each STATCOM system and reactive power regulations speed to each STATCOM from controller
Reactive Power Control is carried out, and exports the practical reactive power value of each STATCOM system to the STATCOM master control set.
5. STATCOM pilot system according to claim 4, which is characterized in that the STATCOM master control set include according to
Submodule block controller, valve group trigger controller, central controller and the data simultaneous module of secondary connection；
The submodule block controller connects the STATCOM simulator, and the submodule block controller is for receiving the valve group
The control command and pulse triggering signal that trigger controller generates generate and send STATCOM valve group driving signal and protection letter
Number to the STATCOM simulator, and receive the DC capacitor that the STATCOM simulator generates each STATCOM system
Voltage value and each STATCOM system valve group status information；
The valve group trigger controller receives the submodule for generating and sending the control command and pulse triggering signal
The DC capacitor voltage value and each STATCOM system valve group status information of each STATCOM system of block controller transmission, and by institute
The DC capacitor voltage value and each STATCOM system valve group status information for stating each STATCOM system are transmitted to the center control
Device receives modulating wave and carrier signal that the central controller generates, generates the pulse triggering signal；
The central controller is separately connected the STATCOM simulator and the STATCOM from controller, the center control
Device processed is used to receive the ac voltage signal and alternating current letter of each STATCOM system of the STATCOM simulator acquisition
Number, the valve group trigger controller transmission each STATCOM system DC capacitor voltage value and each STATCOM system
System valve group status information, and the modulating wave and carrier signal are sent to the valve group trigger controller；
The central controller receives running state information of each STATCOM from controller, and according to each STATCOM from control
The running state information of device processed carries out inactivity from controller to each STATCOM and divides equally control, according to each STATCOM system
Ac voltage signal, ac current signal and each STATCOM system DC capacitor voltage value determine each STATCOM system
The reactive power instruction of system and reactive power regulations speed, and the reactive power for sending each STATCOM system instructs and idle function
Rate regulations speed receives the practical reactive power value of each STATCOM system to each STATCOM from controller；
The data simultaneous module, for receiving the practical reactive power of each STATCOM system in the central controller
When value, the practical reactive power value of each STATCOM system described in synchronous acquisition.
6. STATCOM pilot system according to claim 5, which is characterized in that the STATCOM simulator includes place
Reason card and interface card, the processing card connect the interface card；The processing card is for emulating each STATCOM system；
The interface card is separately connected the submodule block controller and the central controller.
7. STATCOM pilot system according to claim 6, which is characterized in that the processing card includes: at least one master
Processor, the primary processor for emulating STATCOM system, wherein the number of the primary processor and the STATCOM from
The number of controller is identical.
8. STATCOM pilot system according to claim 6 or 7, which is characterized in that the interface card includes master card and son
Card, the subcard connect the master card by the port HPC in master card；
The master card connects the central controller；
The subcard connects the submodule block controller.
9. STATCOM pilot system according to claim 8, which is characterized in that the interface card is connecing based on FPGA
Mouth card.
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