CN212850333U - Monitoring device for power dispatching - Google Patents

Monitoring device for power dispatching Download PDF

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Publication number
CN212850333U
CN212850333U CN202021516877.3U CN202021516877U CN212850333U CN 212850333 U CN212850333 U CN 212850333U CN 202021516877 U CN202021516877 U CN 202021516877U CN 212850333 U CN212850333 U CN 212850333U
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China
Prior art keywords
iron ball
power
telescopic
conductive
photoelectric converter
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CN202021516877.3U
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Chinese (zh)
Inventor
操海波
操波
胡志全
孔运生
曹明敏
杜肖
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State Grid Corp of China SGCC
Anqing Power Supply Co of State Grid Anhui Electric Power Co Ltd
Wangjiangi Power Supply Co of State Grid Anhui Electric Power Co Ltd
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State Grid Corp of China SGCC
Anqing Power Supply Co of State Grid Anhui Electric Power Co Ltd
Wangjiangi Power Supply Co of State Grid Anhui Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Anqing Power Supply Co of State Grid Anhui Electric Power Co Ltd, Wangjiangi Power Supply Co of State Grid Anhui Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202021516877.3U priority Critical patent/CN212850333U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70Smart grids as climate change mitigation technology in the energy generation sector
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation

Abstract

The utility model discloses a monitoring device for power dispatching relates to the monitoring device field, including generator excitation end, current transformer, controller, first flexible power device, second flexible power device, on-off mechanism, first photoelectric converter, second photoelectric converter and dispatch data net; the induction coil of the current transformer is connected to an exciting current path of the generator, the output end of the current transformer is connected with the input end of the controller, the controller is electrically connected with the input end of the telescopic power device, the path along which the first iron ball moves is matched with one surface of the first conductive fixed block, the path along which the second iron ball moves is matched with one surface of the second conductive fixed block, and the photoelectric converter is connected with a dispatching data network through a network cable, so that the power dispatching can timely monitor the over-large or over-small exciting current of the generator.

Description

Monitoring device for power dispatching
Technical Field
The utility model belongs to the monitoring device field especially relates to a monitoring device that power scheduling used.
Background
The power grid of China has been advanced and developed greatly in recent years, and the monitoring and operation of the power grid are tested seriously by large scale and complex structure. Meanwhile, due to the increasing number of power grid sections and the complex and changeable power grid operation modes, the difficulty of a power grid dispatching and monitoring mode is increased, the potential safety hazard and weak links of the power grid cannot be found in time by manpower, and the potential safety hazard is larger. Therefore, the power grid monitoring device must monitor the device operating state of the power grid power system more closely, and realize the communication and the receiving of data through the data transmission module.
The large-scale power grid generally comprises a plurality of generator sets which run in parallel, the running safety and control performance of the generator sets and the power grid are mutually influenced and restricted, and a generator excitation system is one of the most important links for connecting the generator sets and the power grid. The size of the exciting current of the generator affects the size of the unit voltage of the generator, and further affects the size of the bus voltage of the grid-connected point of the generator plant, so that the exciting current of the generator needs to be monitored all the time in power dispatching.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a monitoring device that power scheduling used, connect on the exciting current route of generator through the induction coil with current transformer, current transformer's output is connected with the input of controller, the controller is connected with flexible power device's input electricity, the route that first iron ball removed cooperatees with a surface of first electrically conductive fixed block, the route that second iron ball removed cooperatees with a surface of the electrically conductive fixed block of second, photoelectric converter is connected with the dispatch data network through the net twine, the current problem has been solved.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
a monitoring device for power dispatching comprises a generator excitation end, a current transformer, a controller, a first telescopic power device, a second telescopic power device, an on-off mechanism, a first photoelectric converter, a second photoelectric converter and a dispatching data network; an induction coil of the current transformer is connected to an excitation current path of an excitation end of the generator; the output end of the current transformer is connected with the input end of the controller; the controller is electrically connected with the input end of the first telescopic power device; the controller is electrically connected with the input end of the second telescopic power device; the output end of the first telescopic power device is provided with a first telescopic rod; the output end of the second telescopic power device is provided with a second telescopic rod; the on-off mechanism comprises a first spring, an insulating fixed block, a second spring, a first conductive fixed block and a second conductive fixed block; one end of the first spring is connected with a first iron ball; the other end of the first spring is connected with the insulating fixing block; one end of the second spring is connected with a second iron ball; the other end of the second spring is connected to the insulating fixing block; the first iron ball is positioned on the telescopic path of the telescopic rod; the second iron ball is positioned on the telescopic path of the telescopic rod; the moving path of the first iron ball is matched with one surface of the first conductive fixed block; the moving path of the second iron ball is matched with one surface of the second conductive fixed block.
Further, the first iron ball and the second iron ball are both connected with a positive electrode of a power supply; the first conductive fixed block and the second conductive fixed block are both connected with the negative electrode of the power supply.
Furthermore, the input end of the first photoelectric converter is provided with two terminals, wherein one terminal is connected with the first iron ball, and the other terminal is connected with the first conductive fixed block.
Furthermore, the input end of the second photoelectric converter is provided with two terminals, one of the terminals is connected with the second iron ball, and the other terminal is connected with the second conductive fixed block.
Furthermore, the first photoelectric converter and the second photoelectric converter are both connected with a scheduling data network through network cables.
Further, the on-off mechanism is installed in the plastic box.
Further, the first conductive fixed block and the second conductive fixed block are made of conductive copper blocks or lead blocks.
The utility model discloses following beneficial effect has:
the utility model discloses a connect current transformer's induction coil on the exciting current route of generator, current transformer's output is connected with the input of controller, the controller is connected with flexible power device's input electricity, the route that first iron ball removed cooperatees with a surface of first electrically conductive fixed block, the route that second iron ball removed cooperatees with a surface of the electrically conductive fixed block of second, photoelectric converter is connected with the dispatch data net through the net twine, the excitation current that makes the timely control of power scheduling to the generator is too big or the undersize.
Of course, it is not necessary for any product to achieve all of the above advantages simultaneously in practicing the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a monitoring device for power dispatching according to the present invention;
FIG. 2 is a schematic structural view of the on-off mechanism;
in the drawings, the components represented by the respective reference numerals are listed below:
1-generator excitation end, 2-current transformer, 3-controller, 4-first telescopic power device, 5-second telescopic power device, 6-first telescopic rod, 7-second telescopic rod, 8-on-off mechanism, 9-first photoelectric converter, 10-second photoelectric converter, 11-scheduling data network, 801-first iron ball, 802-first spring, 803-insulating fixed block, 804-second iron ball, 805-second spring, 806-first conductive fixed block and 807-second conductive fixed block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the surface", "the input end", "the output end", etc., indicate an orientation or positional relationship, merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-2, a monitoring device for power dispatching includes a generator excitation terminal 1, a current transformer 2, a controller 3, a first power device 4, a second power device 5, an on-off mechanism 8, a first photoelectric converter 9, a second photoelectric converter 10, and a dispatching data network 11.
The induction coil of the current transformer 2 is connected on the excitation current path of the generator excitation end 1, the output end of the current transformer 2 is connected with the input end of the controller 3, the controller 3 is electrically connected with the input end of the first telescopic power device 4, the controller 3 is electrically connected with the input end of the second telescopic power device 5, the output end of the first telescopic power device 4 is provided with a first telescopic rod 6, and the output end of the second telescopic power device 5 is provided with a second telescopic rod 7.
The on-off mechanism 8 comprises a first spring 802, an insulating fixing block 803, a second spring 805, a first conductive fixing block 806 and a second conductive fixing block 807, one end of the first spring 802 is connected with a first iron ball 801, the other end of the first spring 802 is connected with the insulating fixing block 803, one end of the second spring 805 is connected with a second iron ball 804, the other end of the second spring 805 is connected with the insulating fixing block 803, the first iron ball 801 is located on a telescopic path of the telescopic rod 6, the second iron ball 804 is located on a telescopic path of the telescopic rod 6, a moving path of the first iron ball 801 is matched with one surface of the first conductive fixing block 806, and a moving path of the second iron ball 804 is matched with one surface of the second conductive fixing block 807. The first iron ball 801 and the second iron ball 804 are both connected to the positive pole of the power supply, and the first conductive fixing block 806 and the second conductive fixing block 807 are both connected to the negative pole of the power supply. The first conductive fixing block 806 and the second conductive fixing block 807 are made of conductive copper blocks or lead blocks, and the on-off mechanism 8 is installed in a plastic box.
The input terminal of the first photoelectric converter 9 has two terminals, one of which is connected to the first iron ball 801 and the other of which is connected to the first conductive fixing block 806. The second photoelectric converter 10 has two terminals at its input end, one of which is connected to the second iron ball 804 and the other of which is connected to the second conductive anchor block 807. The first photoelectric converter 9 and the second photoelectric converter 10 are both connected to the dispatch data network 11 via network cables.
The controller 3 detects the magnitude of the generator exciting current through the current transformer 2, if the generator exciting current is too large, the controller 3 conducts a power supply of the first telescopic power device 4, the first telescopic power device 4 drives the first telescopic rod 6 to extend forwards, then the first telescopic rod 6 pushes the first iron ball 801 to move, the first iron ball 801 is in contact with the first conductive fixing block 806, the first photoelectric converter 9 is enabled to receive an electric signal, the first photoelectric converter 9 converts the electric signal into an optical signal and transmits the optical signal to the scheduling data network 11, and then the electric power scheduling monitors that the exciting current of the generator is too large. If the excitation current of the generator returns to normal, the controller 3 cuts off the power supply of the first telescopic power device 4, the first telescopic rod 6 is shortened to return to the original state after the first telescopic power device 4 loses power, and meanwhile, the first iron ball 801 is under the tension of the first spring 802, so that the first iron ball 801 cannot be in contact with the first conductive fixing block 806, the first photoelectric converter 9 cannot receive an electric signal, and the electric power dispatching knows that the excitation current of the generator returns to normal.
The controller 3 detects the magnitude of the generator exciting current through the current transformer 2, if the generator exciting current is too small, the controller 3 will conduct the power supply of the second telescopic power device 5, the second telescopic power device 5 drives the second telescopic rod 7 to extend forwards, then the second telescopic rod 7 pushes the second iron ball 804 to move, the second iron ball 804 is in contact with the second conductive fixing block 807, the second photoelectric converter 10 receives an electric signal, the second photoelectric converter 10 converts the electric signal into an optical signal and transmits the optical signal to the dispatching data network 11, and then the electric power dispatching monitors that the exciting current of the generator is too large. If the excitation current of the generator returns to normal, the controller 3 cuts off the power supply of the second telescopic power device 5, the second telescopic rod 7 is shortened to return to the original state after the second telescopic power device 7 loses power, and meanwhile, the second iron ball 804 is under the tension of the second spring 805, so that the second iron ball 804 cannot be in contact with the second conductive fixing block 807, the second photoelectric converter 10 cannot receive an electric signal, and the power dispatching knows that the excitation current of the generator returns to normal.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. A monitoring device for power dispatching comprises a generator excitation end (1), a current transformer (2), a controller (3), a first telescopic power device (4), a second telescopic power device (5), an on-off mechanism (8), a first photoelectric converter (9), a second photoelectric converter (10) and a dispatching data network (11); it is characterized in that the preparation method is characterized in that,
an induction coil of the current transformer (2) is connected to an excitation current path of the excitation end (1) of the generator; the output end of the current transformer (2) is connected with the input end of the controller (3); the controller (3) is electrically connected with the input end of the first telescopic power device (4); the controller (3) is electrically connected with the input end of the second telescopic power device (5); the output end of the first telescopic power device (4) is provided with a first telescopic rod (6); the output end of the second telescopic power device (5) is provided with a second telescopic rod (7);
the on-off mechanism (8) comprises a first spring (802), an insulating fixed block (803), a second spring (805), a first conductive fixed block (806) and a second conductive fixed block (807); one end of the first spring (802) is connected with a first iron ball (801); the other end of the first spring (802) is connected with an insulating fixing block (803); one end of the second spring (805) is connected with a second iron ball (804); the other end of the second spring (805) is connected to an insulating fixing block (803); the first iron ball (801) is positioned on the telescopic path of the telescopic rod (6); the second iron ball (804) is positioned on the telescopic path of the telescopic rod (6); the moving path of the first iron ball (801) is matched with one surface of a first conductive fixed block (806); the moving path of the second iron ball (804) is matched with one surface of a second conductive fixed block (807).
2. The monitoring device for power dispatching of claim 1, wherein the first iron ball (801) and the second iron ball (804) are both connected with the positive pole of the power supply; the first conductive fixing block (806) and the second conductive fixing block (807) are both connected with the negative electrode of a power supply.
3. A monitoring device for power scheduling as claimed in claim 1, characterized in that the input of the first photoelectric converter (9) has two terminals, one of which is connected to the first iron ball (801) and the other of which is connected to the first electrically conductive mounting block (806).
4. A monitoring device for power scheduling as claimed in claim 1, characterized in that the second photoelectric converter (10) has two terminals at its input, one of which is connected to the second iron ball (804) and the other of which is connected to the second conductive anchor block (807).
5. A monitoring device for power scheduling according to claim 1, characterized in that the first photoelectric converter (9) and the second photoelectric converter (10) are connected to the scheduling data network (11) through network cables.
6. A monitoring device for electric power dispatching according to claim 1, characterized in that the on-off mechanism (8) is mounted in a plastic box.
7. A monitoring device for power scheduling according to claim 1 characterized in that the first conductive fixed block (806) and the second conductive fixed block (807) are made of conductive copper or lead blocks.
CN202021516877.3U 2020-07-28 2020-07-28 Monitoring device for power dispatching Active CN212850333U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021516877.3U CN212850333U (en) 2020-07-28 2020-07-28 Monitoring device for power dispatching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021516877.3U CN212850333U (en) 2020-07-28 2020-07-28 Monitoring device for power dispatching

Publications (1)

Publication Number Publication Date
CN212850333U true CN212850333U (en) 2021-03-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021516877.3U Active CN212850333U (en) 2020-07-28 2020-07-28 Monitoring device for power dispatching

Country Status (1)

Country Link
CN (1) CN212850333U (en)

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