CN204243765U - A kind of based on hypotactic reactive power/voltage control device - Google Patents
A kind of based on hypotactic reactive power/voltage control device Download PDFInfo
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- CN204243765U CN204243765U CN201420655779.6U CN201420655779U CN204243765U CN 204243765 U CN204243765 U CN 204243765U CN 201420655779 U CN201420655779 U CN 201420655779U CN 204243765 U CN204243765 U CN 204243765U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The utility model discloses a kind of based on hypotactic reactive power/voltage control device, it is characterized in that: the voltage and current signal that host CPU side form analog quantity sampling module collection host CPU side joint enters is delivered to host CPU module, the remote signals that host CPU side remote signalling input module collection host CPU side joint enters is delivered to host CPU module, host CPU side relay outlet module and host CPU model calling, the voltage and current signal entered from CPU side joint from the collection of CPU side form analog quantity sampling module is delivered to from CPU module, be delivered to from CPU module from the collection of CPU side remote signalling input module from the remote signals that CPU side joint enters, be connected from CPU side relay outlet module with from CPU module, host CPU model calling communication module, described from CPU module communication module, two mutual communications of communication module.The utility model solves reactive voltage and to regulate and capacitor bank protection can not unify the problem of configuration, provides one and both can improve performance, also cost-saved based on hypotactic reactive power/voltage control device.
Description
Technical field
The utility model belongs to transforming plant protecting technical field, particularly relates to a kind of based on hypotactic reactive power/voltage control device.
Background technology
In order to reduce power loss in power transmission and distribution, balancing idle, multiple unit capacitor being set in transformer station usually and carrying out reactive power compensation adjustment.In Reactive-power control process, first will consider that output voltage can not be out-of-limit, the switching (or transferring the files) that therefore reactive voltage adjusting device should carry out Capacitor banks also will regulate main shift.Meanwhile, for preventing the Capacitor banks in transformer station to be damaged when overvoltage, short circuit, independent capacitor protector must be configured.
Current 110KV transformer station, a large amount of pair main transformer that adopts configures, and every platform main transformer side is all configured with independent Capacitor banks.On the one hand, two main transformers can fanout operation also can paired running, voltage power-less regulates and will adapt to plurality of operating modes and two main transformers and multiple unit capacitor group must be unified Coordination Treatment, therefore will unify configuration reactive power/voltage control device.On the other hand, for realizing separately the defencive function of Capacitor banks, usually will configure two independently capacitor protectors, cost of investment is higher.Also once occurred the VAR plan device being with defencive function on the market, but multiple stage capacitor bank protection is concentrated in one apparatus by this device, once this plant failure, all Capacitor banks will lose protection simultaneously, have larger potential safety hazard simultaneously.
Utility model content
To regulate and capacitor bank protection can not unify the problem of configuration to solve reactive voltage in prior art, the utility model provides one both can improve performance, also cost-saved based on hypotactic reactive power/voltage control device.
In order to solve the problem, technical solution adopted in the utility model is:
A kind of based on hypotactic reactive power/voltage control device, comprise host CPU module and from CPU module, it is characterized in that: also comprise host CPU side form analog quantity sampling module, host CPU side remote signalling input module, host CPU side relay outlet module, from CPU side form analog quantity sampling module, from CPU side remote signalling input module, from CPU side relay outlet module and communication module, the voltage and current signal that described host CPU side form analog quantity sampling module collection host CPU side joint enters is delivered to host CPU module, the remote signals that described host CPU side remote signalling input module collection host CPU side joint enters is delivered to host CPU module, described host CPU side relay outlet module and host CPU model calling, export divide-shut brake signal according to host CPU module instruction and rise downshift signal, the described voltage and current signal entered from CPU side joint from the collection of CPU side form analog quantity sampling module is delivered to from CPU module, describedly be delivered to from CPU module from the collection of CPU side remote signalling input module from the remote signals that CPU side joint enters, describedly to be connected from CPU side relay outlet module with from CPU module, according to exporting divide-shut brake signal from CPU module instruction and rising downshift signal, described host CPU model calling communication module, described from CPU module communication module, described two communication modules realize host CPU module and from CPU module communication each other.
Aforesaid one is based on hypotactic reactive power/voltage control device, it is characterized in that: described communication module comprises host CPU side ethernet communication module and from CPU side ethernet communication module, described host CPU side ethernet communication module is connected with from CPU side ethernet communication module with host CPU module respectively, describedly to be connected from CPU side ethernet communication module with from CPU module, described host CPU side ethernet communication module can also with external server communication on send and reception information.
Aforesaid one is based on hypotactic reactive power/voltage control device, it is characterized in that: described communication module also comprises host CPU side CAN communication module and from CPU side CAN communication module, described host CPU side CAN communication module is connected with from CPU side CAN communication module with host CPU module respectively, describedly be connected from CPU side CAN communication module with from CPU module, described host CPU module can carry out communication by host CPU side CAN communication module and external server with CAN net mode.
Aforesaid one, based on hypotactic reactive power/voltage control device, is characterized in that: described host CPU module is also connected by internal bus with host CPU side keyboard display module, describedly also with from CPU side keyboard display module is connected by internal bus from CPU module.
Aforesaid one, based on hypotactic reactive power/voltage control device, is characterized in that: described host CPU module and all adopt dual core processor OMAP-L138 from CPU module, and this processor comprises an ARM core and DSP core, a dominant frequency can reach 400MHz.
Aforesaid one is based on hypotactic reactive power/voltage control device, it is characterized in that: described host CPU side remote signalling input module and include 21 from CPU side form analog quantity sampling module and adopt the state-signal collection module of Phototube Coupling, co-bit position signal acquisition is jumped, two group capacitor gear positions and main shift station acquisition for realizing two main transformer switch.
Aforesaid one is based on hypotactic reactive power/voltage control device, it is characterized in that: described host CPU side form analog quantity sampling module comprises 4 voltage transformers and 13 current transformers, for gathering each two groups of voltages of two main transformer low-pressure sides, measure electric current and host CPU side capacitors group 4 protective currents for one of main transformer 4 measurement electric current, Capacitor banks 4 measurement electric current, bus connection switch; 2 voltage transformers and 9 current transformers are comprised, for gathering from CPU side capacitors group voltage, from a measurement electric current of CPU side measurement electric current, bus connection switch and from CPU side capacitors group 4 protective currents from CPU side form analog quantity sampling module.
Aforesaid one, based on hypotactic reactive power/voltage control device, is characterized in that: described host CPU side relay outlet module comprises 11 and outputs control signal by host CPU module controls; Breaker tripping and closing, main transformer tap for completing Capacitor banks switch rise downshift operation; Describedly comprise 11 by what control from CPU module from CPU side relay outlet module and output control signal; Downshift operation is risen from the breaker tripping and closing of CPU side capacitors group switch, main transformer tap for completing.
Aforesaid one is based on hypotactic reactive power/voltage control device, it is characterized in that: described host CPU side CAN communication module and include a CAN communication controller and CAN signal level transformer from CPU side CAN communication module, control for the transmitting-receiving realizing CAN data.
Aforesaid one, based on hypotactic reactive power/voltage control device, is characterized in that: described host CPU side keyboard display module and include liquid crystal display circuit and keyboard scanning circuit from CPU side keyboard display module.
The beneficial effect that the utility model reaches: the hypotactic reactive power/voltage control device of the utility model, host CPU module and arranged apart from CPU module, the reactive voltage of host CPU module in charge two main transformers unifies regulable control, realizes the defencive function of a main transformer Capacitor banks simultaneously; The defencive function of an other main transformer Capacitor banks is realized, simultaneously as the back-up processing device that reactive power/voltage control regulates from CPU module.Host CPU module by ethernet communication and CAN communication from reading information from CPU module and to from CPU module sending controling instruction, thus can realize the unified reactive power/voltage control of two main transformers.Because principal and subordinate two set of modules is independently arranged, also can independent operating after losing communication, so the defencive function to two Capacitor banks can be realized respectively.The utility model devises based on hypotactic reactive power/voltage control device, and reactive power/voltage control function has been come by host CPU module, and the defencive function of Capacitor banks is by host CPU module and complete respectively from CPU module.Host CPU module and can independent operating from CPU module, only by communication modes exchange message.Under this kind of design had both achieved two multiple operational mode of main transformer; the unified of voltage power-less regulates, and achieves again the independent layout of protection module, improves the adjusting function of voltage power-less simultaneously; ensure that independence and the fail safe of capacitor bank protection module, again save cost.
Accompanying drawing explanation
Fig. 1 is the schematic block circuit diagram based on hypotactic reactive power/voltage control device.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection range of the present utility model with this.
As shown in Figure 1, a kind of based on hypotactic reactive power/voltage control device, comprise host CPU module 1, host CPU side remote signalling input module 2, host CPU side relay outlet module 3, host CPU side CAN communication module 4, host CPU side ethernet communication module 5, host CPU side keyboard display module 6, host CPU side form analog quantity sampling module 7, from CPU module 8, from CPU side remote signalling input module 9, from CPU side relay outlet module 10, from CPU side form analog quantity sampling module 11, from CPU side keyboard display module 12, from CPU side ethernet communication module 13 with from CPU side CAN communication module 14.
Host CPU module 1 is responsible for the collection of host CPU side remote signalling amount, analog acquisition, control of export, menu display, key scan, host CPU side capacitors group relay protective scheme and host CPU side and all idle and voltage block logical process and the Communication processing to distant server from both sides, CPU side; From CPU module 8 be responsible for from collections of CPU side remote signalling amount, analog acquisition, control of export, menu display, key scan, from the while of CPU side capacitors group relay protective scheme as processing module for subsequent use that is idle from CPU side and voltage block logic.Host CPU side form analog quantity sampling module 7 gathers the voltage and current signal that host CPU side joint enters, and this module is connected with host CPU module; Host CPU side remote signalling input module 2 gathers the remote signals that host CPU side joint enters, and this module is connected with host CPU module 1; Host CPU side relay outlet module 3 exports divide-shut brake signal according to host CPU instruction and rises downshift signal, thus realizes the switching of Capacitor banks and the lifting of main shift, and this module is connected with host CPU module.Host CPU side keyboard display module 6 realizes host CPU side key scan and is connected with host CPU module 1 with this module of interface display; Host CPU side ethernet communication module 5 realizes host CPU and extraneous ethernet communication; Host CPU side ethernet communication module 5 is connected with host CPU module 1, and this module also with from CPU side ethernet communication module 13 is connected simultaneously; Host CPU side CAN communication module 4 realizes host CPU and interrogates with extraneous CAN Netcom; Host CPU side CAN communication module 4 is connected with host CPU module 1, and this module also with from CPU side CAN communication module 14 is connected simultaneously.Gather from CPU side form analog quantity sampling module 11 the voltage and current signal entered from CPU side joint, this module is connected with from CPU module 8; Gather from CPU side remote signalling input module 9 remote signals entered from CPU side joint, this module is connected with from CPU module 8; From CPU side relay outlet module 10 according to exporting divide-shut brake signal from cpu instruction and rising downshift signal, thus realize the switching of Capacitor banks and the lifting of main shift, this module is connected with from CPU module 8.Realize being connected with from CPU module 8 from CPU side key scan with this module of interface display from CPU side keyboard display module 12; From CPU side ethernet communication module: realize from CPU and extraneous ethernet communication; Be connected from CPU side ethernet communication module 13 with from CPU module 8, this module is also connected with host CPU side ethernet communication module 5 simultaneously; Realize interrogating from CPU and extraneous CAN Netcom from CPU side CAN communication module 14; Be connected from CPU side CAN communication module 14 with from CPU module 8, this module is also connected with host CPU side CAN net communication module 14 simultaneously;
The utility model host CPU module 1 adopts the dual core processor OMAP-L138 of TI company, and this CPU comprises an ARM core and DSP core, a dominant frequency can reach 400MHz.The data processing that all reactive voltages of responsible two main transformers of host CPU module 1 regulate, the defencive function process of host CPU side capacitors group, the collection of host CPU side remote signalling amount, the control of host CPU side outlet, the keyboard scan of host CPU side and Graphics Processing and the Communication processing to distant server.
Host CPU side remote signalling input module 2 comprises the state-signal collection module that 21 adopt Phototube Coupling, realizes two main transformer switch and jumps co-bit position signal acquisition, two group capacitor gear positions and main shift station acquisition.Host CPU side remote signalling input module 2 is connected with host CPU module 1 by internal bus.Remote signalling input module 2 can configure multiple according to the actual requirements.
Host CPU side relay outlet module 3 comprise 11 controlled by host CPU module 1 output control signal; The breaker tripping and closing of Capacitor banks switch can be completed, main transformer tap rises downshift operation; Host CPU side relay outlet module 3 is connected with host CPU module 1 by bus.
Host CPU side CAN communication module 4 comprises a CAN communication controller and CAN signal level transformer, and the transmitting-receiving that can realize CAN data controls.Host CPU side is by CAN communication module 4, and host CPU module 1 can carry out communication with outside with CAN net mode.
Host CPU side ethernet communication module 5 comprises the Ethernet transformer of the built-in ethernet controller of host CPU module 1 and external conversion level.Communication can be carried out with from CPU module 8 in ethernet communication module 5 one aspect, host CPU side, issues the order of host CPU module, on the other hand can with background server communication, above send the information of controller, accept the guidance command of background server.
Host CPU side keyboard display module 6 comprises liquid crystal display circuit and keyboard scanning circuit, comprises 7 buttons such as upper and lower, left and right, confirmation, cancellation, involution.By host CPU side keyboard display module 6, user can arrange the definite value parameter of host CPU side, observes sampled value, remote signalling value and carries out telecontrol analog operation etc.Host CPU side keyboard display module 6 is connected by internal bus with host CPU module 1.
Host CPU side form analog quantity sampling module 7 comprises 4 voltage transformers and 13 current transformers; each two groups of voltages of two main transformer low-pressure sides can be gathered, measure electric current and host CPU side capacitors group 4 protective currents for one of main transformer 4 measurement electric current, Capacitor banks 4 measurement electric current, bus connection switch.The input of foreign current voltage is converted to the sampling computing module that small voltage signal enters into host CPU module 1 inside by inner current transformer and voltage transformer by host CPU side form analog quantity sampling module 7.
Equally adopt the dual core processor OMAP-L138 of TI company with host CPU from CPU module 8, this CPU comprises an ARM core and DSP core, a dominant frequency can reach 400MHz.Be responsible for from the defencive function process of CPU side capacitors group, from the control of CPU side protection exit, from the keyboard scan of CPU side and Graphics Processing from CPU module 1.Be connected to the ethernet communication module 5 be connected with host CPU module 1 from CPU module 8 by ethernet communication module 13, thus realize the ethernet communication with host CPU module 1.Meanwhile, be connected to the CAN communication module 4 be connected with host CPU module 1 by CAN communication module 14 from CPU module 8, thus realize interrogating with the CAN Netcom of host CPU module 1.
Comprise from CPU side remote signalling input module 9 the state-signal collection module that 21 adopt Phototube Coupling, realize jumping co-bit position signal acquisition, from CPU side capacitors gear positions and main shift station acquisition from CPU side main transformer switch.Remote signalling input module 9 is connected with from CPU module 8 by internal bus.
Comprise 11 by what control from CPU module 8 from CPU side relay outlet module 10 and output control signal; Can complete and rise downshift operation from the breaker tripping and closing of CPU side capacitors group switch, main transformer tap; Relay outlet module 10 is connected with from CPU module 8 by bus.
Comprise 2 voltage transformers and 9 current transformers from CPU side form analog quantity sampling module 11, can gather from CPU side capacitors group voltage, measure from CPU side 4 electric current, one of bus connection switch measure electric current and from CPU side capacitors group 4 protective currents.The input of foreign current voltage is converted to small voltage signal from CPU side form analog quantity sampling module 11 by inner current transformer and voltage transformer and enters into sampling computing module from CPU module 8 inside.
Comprise liquid crystal display circuit and keyboard scanning circuit from CPU side keyboard display module 12, comprise 7 buttons such as upper and lower, left and right, confirmation, cancellation, involution.By from CPU side keyboard display module 12, user can arrange the definite value parameter from CPU side, observes sampled value, remote signalling value and carries out telecontrol analog operation etc.Be connected by internal bus from CPU side keyboard display module 12 with from CPU module 8.
The Ethernet transformer from the built-in ethernet controller of CPU module 8 and external conversion level is comprised from CPU side ethernet communication module 13.Communication can be carried out with host CPU module 1 in ethernet communication module 13 1 aspect, accepts the order of host CPU module, can send the information from CPU above simultaneously.
Comprise a CAN communication controller and CAN signal level transformer from CPU side CAN communication module 14, the transmitting-receiving that can realize CAN data controls.From CPU side by CAN communication module 14, communication can be carried out with outside with CAN net mode from CPU module 8.
The voltage and current measurement signal of two main transformers and Capacitor banks enters into host CPU module 1 after the signal condition of host CPU side form analog quantity sampling module 7, meanwhile, host CPU module 1 gathers the digital quantity such as main shift and capacitor switch position by host CPU side remote signalling input module 2.Host CPU module 1 carries out by the remote signalling data gathered the measurement data gathered from host CPU side sampling module 7 and host CPU side remote signalling input module 2 the relay protective scheme differentiation that analyzing and processing completes reactive voltage logic discrimination and host CPU module 1 side Capacitor banks.Host CPU module 1 is according to differentiation result simultaneously, drives host CPU side relay outlet module 3, completes control two group capacitor group switch on-off and two groups of main shifts adjustments, realizes VQC function and host CPU side capacitors group defencive function.Enter into from CPU module 8 from the voltage and current measurement signal of CPU side Capacitor banks after the signal condition from CPU side form analog quantity sampling module 11, meanwhile, pass through to gather from digital quantities such as CPU side main shift and capacitor switch positions from CPU side remote signalling input module 9 from CPU module 8.From CPU module 8 by the measurement data gathered from CPU side form analog quantity sampling module 11 and carry out analyzing and processing from the remote signalling data that remote signalling input module 9 in CPU side gathers and complete and differentiate from the relay protective scheme of CPU module 8 side Capacitor banks.Simultaneously from CPU module 8 according to differentiation result, drive from CPU side relay outlet module 10, deciliter from CPU side Capacitor banks switch, complete from CPU side capacitors group defencive function.Host CPU module 1 by host CPU side ethernet communication module 5, from CPU side ethernet communication module 13 with realize ethernet communication from CPU module 8, accept the protection event information that transmits from CPU module 8 and remote signalling displacement information, issue guidance command simultaneously.Host CPU module 1 by host CPU side CAN communication module 4, from CPU side CAN communication module 14 with realize CAN Netcom from CPU module 8 and interrogate, as the backup of ethernet communication between the two.Host CPU module 1 is connected with background server by host CPU side ethernet communication module 5, accepts the remote control command of background server, above send telemetry and protection event information.Host CPU module 1 is also connected with host CPU side keyboard display module 5, and by this module, host CPU module 1 realizes the functions such as host CPU side parameter tuning, interface display.Also with from CPU side keyboard display module 12 be connected from CPU module 8, by this module, host CPU module 8 realizes from functions such as CPU side parameter tuning, interface display.
More than show and describe general principle of the present utility model, principal character and advantage.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. one kind based on hypotactic reactive power/voltage control device, comprise host CPU module and from CPU module, it is characterized in that: also comprise host CPU side form analog quantity sampling module, host CPU side remote signalling input module, host CPU side relay outlet module, from CPU side form analog quantity sampling module, from CPU side remote signalling input module, from CPU side relay outlet module and communication module, the voltage and current signal that described host CPU side form analog quantity sampling module collection host CPU side joint enters is delivered to host CPU module, the remote signals that described host CPU side remote signalling input module collection host CPU side joint enters is delivered to host CPU module, described host CPU side relay outlet module and host CPU model calling, export divide-shut brake signal according to host CPU module instruction and rise downshift signal, the described voltage and current signal entered from CPU side joint from the collection of CPU side form analog quantity sampling module is delivered to from CPU module, describedly be delivered to from CPU module from the collection of CPU side remote signalling input module from the remote signals that CPU side joint enters, describedly to be connected from CPU side relay outlet module with from CPU module, according to exporting divide-shut brake signal from CPU module instruction and rising downshift signal, described host CPU model calling communication module, described from CPU module communication module, described two communication modules realize host CPU module and from CPU module communication each other.
2. one according to claim 1 is based on hypotactic reactive power/voltage control device, it is characterized in that: described communication module comprises host CPU side ethernet communication module and from CPU side ethernet communication module, described host CPU side ethernet communication module is connected with from CPU side ethernet communication module with host CPU module respectively, describedly to be connected from CPU side ethernet communication module with from CPU module, described host CPU side ethernet communication module can also with external server communication on send and reception information.
3. one according to claim 2 is based on hypotactic reactive power/voltage control device, it is characterized in that: described communication module also comprises host CPU side CAN communication module and from CPU side CAN communication module, described host CPU side CAN communication module is connected with from CPU side CAN communication module with host CPU module respectively, describedly be connected from CPU side CAN communication module with from CPU module, described host CPU module can carry out communication by host CPU side CAN communication module and external server with CAN net mode.
4. one according to claim 3 is based on hypotactic reactive power/voltage control device, it is characterized in that: described host CPU module is also connected by internal bus with host CPU side keyboard display module, describedly also with from CPU side keyboard display module to be connected by internal bus from CPU module.
5. one according to claim 4 is based on hypotactic reactive power/voltage control device, it is characterized in that: described host CPU module and all adopt dual core processor OMAP-L138 from CPU module, this processor comprises an ARM core and DSP core, a dominant frequency can reach 400MHz.
6. one according to claim 1 is based on hypotactic reactive power/voltage control device, it is characterized in that: described host CPU side remote signalling input module and include 21 from CPU side form analog quantity sampling module and adopt the state-signal collection module of Phototube Coupling, co-bit position signal acquisition is jumped, two group capacitor gear positions and main shift station acquisition for realizing two main transformer switch.
7. the one according to claim 5 or 6 is based on hypotactic reactive power/voltage control device, it is characterized in that: described host CPU side form analog quantity sampling module comprises 4 voltage transformers and 13 current transformers, for gathering each two groups of voltages of two main transformer low-pressure sides, measure electric current and host CPU side capacitors group 4 protective currents for one of main transformer 4 measurement electric current, Capacitor banks 4 measurement electric current, bus connection switch; 2 voltage transformers and 9 current transformers are comprised, for gathering from CPU side capacitors group voltage, from a measurement electric current of CPU side measurement electric current, bus connection switch and from CPU side capacitors group 4 protective currents from CPU side form analog quantity sampling module.
8. one according to claim 7 is based on hypotactic reactive power/voltage control device, it is characterized in that: described host CPU side relay outlet module comprises 11 and outputs control signal by host CPU module controls; Breaker tripping and closing, main transformer tap for completing Capacitor banks switch rise downshift operation; Describedly comprise 11 by what control from CPU module from CPU side relay outlet module and output control signal; Downshift operation is risen from the breaker tripping and closing of CPU side capacitors group switch, main transformer tap for completing.
9. one according to claim 8 is based on hypotactic reactive power/voltage control device, it is characterized in that: described host CPU side CAN communication module and include a CAN communication controller and CAN signal level transformer from CPU side CAN communication module, control for the transmitting-receiving realizing CAN data.
10. one according to claim 9 is based on hypotactic reactive power/voltage control device, it is characterized in that: described host CPU side keyboard display module and include liquid crystal display circuit and keyboard scanning circuit from CPU side keyboard display module.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104333007A (en) * | 2014-11-05 | 2015-02-04 | 国家电网公司 | Reactive voltage controller based on principal and subordinate structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104333007A (en) * | 2014-11-05 | 2015-02-04 | 国家电网公司 | Reactive voltage controller based on principal and subordinate structure |
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Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No. Co-patentee after: JIANGSU ELECTRIC POWER Co. Patentee after: State Grid Corporation of China Co-patentee after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. MAINTENANCE BRANCH Co-patentee after: FIVE-C SMART POWER GRID TECHNOLOGY Co.,Ltd. Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No. Co-patentee before: JIANGSU ELECTRIC POWER Co. Patentee before: State Grid Corporation of China Co-patentee before: MAINTENANCE DIVISION OF STATE GRID JIANGSU ELECTRIC POWER Co. Co-patentee before: FIVE-C SMART POWER GRID TECHNOLOGY Co.,Ltd. Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No. Co-patentee after: JIANGSU ELECTRIC POWER Co. Patentee after: State Grid Corporation of China Co-patentee after: MAINTENANCE DIVISION OF STATE GRID JIANGSU ELECTRIC POWER Co. Co-patentee after: FIVE-C SMART POWER GRID TECHNOLOGY Co.,Ltd. Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No. Co-patentee before: JIANGSU ELECTRIC POWER Co. Patentee before: State Grid Corporation of China Co-patentee before: JIANGSU ELECTRIC POWER COMPANY MAINTENANCE BRANCH Co-patentee before: FIVE-C SMART POWER GRID TECHNOLOGY Co.,Ltd. |