CN203135452U - High voltage dynamic filter reactive power compensation complete device - Google Patents
High voltage dynamic filter reactive power compensation complete device Download PDFInfo
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- CN203135452U CN203135452U CN 201320133901 CN201320133901U CN203135452U CN 203135452 U CN203135452 U CN 203135452U CN 201320133901 CN201320133901 CN 201320133901 CN 201320133901 U CN201320133901 U CN 201320133901U CN 203135452 U CN203135452 U CN 203135452U
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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 provides a high voltage dynamic filter reactive power compensation complete device which comprises a main loop, a reactive power compensation control unit and a remote control unit. The main circuit comprises a magnetron reactor loop and a vacuum contactor-fuse combined electrical loop. The magnetron reactor loop comprises a magnetron reactor, an execution unit which is connected with the magnetron reactor and an excitation control unit. The excitation control unit is connected with the execution unit. The reactive power compensation control unit comprises a switch control unit for controlling the on and off of a switch, a reactive power compensation unit and a data acquisition unit. The reactive power compensation unit comprises a detection unit, a protection unit and a control unit. The reactive power compensation unit is respectively connected with the data acquisition unit and the excitation control unit. According to the high voltage dynamic filter reactive power compensation complete device, system reactive power compensation is solved, the tracking compensation of the reactive power amount of the system can be effectively carried out, the stepless adjustment is achieved, and the voltage is stabilized.
Description
Technical field
The utility model relates to power distribution system secure maintenance technology field, is specifically related to a kind of high pressure dynamic filter reactive compensation complete device.
Background technology
General electric power system customer charge absorbs meritorious power P L and reactive power Q L, referring to Fig. 1.Power supply provides meritorious power P S and reactive power Q S(may perception idle, also may be capacitive reactive power), ignore transformer and line loss, PS=PL, QS=QL are then arranged.Do not have the electrical network of idle absorption portion to have following problem:
1) electrical network transmits idle from far-end;
2) Fu He reactive power impact influences the power supply quality of local power grid and higher level's electrical network.
The utility model content
At above-mentioned deficiency, the purpose of this utility model provides a kind of high pressure dynamic filter reactive compensation complete device, and having solved in the past, electrical network transmits the reactive power impact of idle and load to the problem of the influence of electrical network from far-end.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of high pressure dynamic filter reactive compensation complete device; it comprises major loop; reactive power compensation control unit and remote monitoring unit; described major loop comprises magnet controlled reactor loop and vacuum contactor-fuse combined electric apparatus loop; described magnet controlled reactor loop comprises magnet controlled reactor; the performance element that is connected with magnet controlled reactor and excitation control unit; described excitation control unit is connected with performance element; described reactive power compensation control unit comprises the switch control unit for the control switch break-make; reactive power compensation unit and data acquisition unit; described reactive power compensation unit comprises detecting unit; protected location and control unit, described reactive power compensation unit is connected with data acquisition unit and excitation control unit respectively.
Described reactive power compensation control unit is provided with the communication unit that is connected for the remote monitoring unit.
Described remote monitoring unit also is provided with for the warning indicating member of the indication of reporting to the police, remote computer and is used for remote-operated switching manipulation panel.
Described magnet controlled reactor adopts the unshakable in one's determination and winding composition of four posts.
The described four posts silicon steel sheet that adopts unshakable in one's determination.
Described winding adopts enamelled wire.
Described performance element comprises power conversion unit, excitation on-off control unit and the light-to-current inversion isolated location that connects successively.
Described high pressure dynamic filter reactive compensation complete device is provided with the filtering compensation branch road.
Described filtering compensation branch road comprises shunt capacitor and dry-type iron-core reactor.
The beneficial effects of the utility model are that the resolution system reactive power compensation can effectively be followed the tracks of compensation to the idle amount of system simultaneously, accomplishes step-less adjustment, burning voltage.
Description of drawings
Fig. 1 is the connection diagram of simply loading.
Fig. 2 is the principle schematic of the utility model magnet controlled reactor.
Fig. 3 is the syndeton schematic diagram of performance element of the present utility model and magnet controlled reactor.
Fig. 4 is the principle schematic of filtering compensation branch road of the present utility model.
Fig. 5 is composition frame chart of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further:
Referring to Fig. 5; the utility model comprises major loop 1; reactive power compensation control unit 2 and remote monitoring unit 3; described major loop 1 comprises magnet controlled reactor loop 11 and vacuum contactor-fuse combined electric apparatus loop 12; described magnet controlled reactor loop 11 comprises magnet controlled reactor 112; the performance element 113 that is connected with magnet controlled reactor 112 and excitation control unit 111; described excitation control unit 111 is connected with performance element 113; described reactive power compensation control unit 2 comprises the switch control unit 23 for the control switch break-make; reactive power compensation unit 21 and data acquisition unit 22; described reactive power compensation unit 21 comprises detecting unit 211; protected location 212 and control unit 213, described reactive power compensation unit 21 is connected with data acquisition unit 22 and excitation control unit 111 respectively.
Described reactive power compensation control unit 2 is provided with the communication unit 24 that is connected for remote monitoring unit 3, described communication unit 24 comprises RS485 PORT COM and RS232 PORT COM, can realize remote monitoring by communication unit 24 and remote monitoring unit 3, described remote monitoring unit 3 also is provided with for the warning indicating member 31 of the indication of reporting to the police, remote computer 32 and is used for remote-operated switching manipulation panel 33, can realize the function that remote alarms and remote operation switch open and close.
Magnet controlled reactor 112 claims MCR again, is a kind of brand-new reactive-load compensation equipment, contains electronic component and corresponding control system such as thyristor and diode, belongs to the power electronics intelligent artifact.The origin of magnet controlled reactor 112 is from magnetic amplifier and traditional saturable reactor, but because their response speed is slow, loss is big, noise is big, shortcomings such as harmonic wave is big, be not widely used for a long time, the proposition of " magnet valve " concept, improved saturable reactor greatly in loss, the performance of aspect such as noise and harmonic wave, for the breakthrough on the saturable reactor performance is laid a good foundation, and control technology and the power electronics innovation and application in saturable reactor, fundamentally changed the shortcoming that traditional saturable reactor response speed is slow and control is difficult especially, the utility model adopts magnet controlled reactor 112 as reactive-load compensation equipment.
Referring to Fig. 2, described magnet controlled reactor 112 adopts the unshakable in one's determination and winding composition of four posts, and magnet controlled reactor 112 is made up of four a posts iron core and winding, and middle two core limbs are the work iron core, and Nk is the control winding, and N is the work winding.Because controllable silicon is connected on the control winding, its voltage is very low, is about about 1% of system's rated voltage, thereby has improved operational reliability greatly.When work winding two ends connect alternating voltage, will induce corresponding voltage on the control winding, the number of turn in Nk is 1% of N, voltage on controllable silicon T1 and the T2 only is 1% of operating voltage, in the positive half cycle T1 of voltage conducting, in the negative half period T2 of voltage conducting, can control dc magnetizing by the angle of flow of control T1, T2.The angle of flow is more little, and core saturation is more high, and the induction reactance of magnet reactor 112 is more little.Therefore, if the angle of flow size of control T1 and T2, the capacity of adjusting magnet controlled reactor 112 that just can be level and smooth.From Fig. 2, it can also be seen that magnet controlled reactor 112 has the self coupling excitation function, saved independent DC control source.Another characteristics of magnet controlled reactor 112 are that the small bore iron core is in limit saturation condition.Other iron cores then are in undersaturated condition, have reduced active loss (be about rated power 0.9%), have reduced harmonic content (be about about half of TCR, handle by simple corner connection, harmonic content can be down to below 5%), and noise is also smaller.
The described four posts silicon steel sheet that adopts unshakable in one's determination, described winding adopts enamelled wire, and adopt low temperature rise to design, has high reliability, can accomplish normally to use more than 10 years, only need regularly carry out simple routine inspection and can guarantee equipment operation steady in a long-term, maintenance workload is minimum, maintenance difficulties is little, and maintenance cost is extremely low.
Referring to Fig. 3, described performance element 113 comprises power conversion unit 1131, excitation on-off control unit 1132 and the light-to-current inversion isolated location 1133 that connects successively, and described excitation on-off control unit 1132 is connected with excitation control unit 111.Excitation control unit 111 operating voltages are extremely low; excitation control unit 111 self has the complete protection system; can fully guarantee the reliable and safety of its operation; excitation control unit 111 adopts light signal to control and state transfer with main control unit, and the system of assurance has the reliability of very strong antijamming capability and height.
Referring to Fig. 4, described high pressure dynamic filter reactive compensation complete device is provided with filtering compensation branch road 4, described filtering compensation branch road 4 comprises shunt capacitor 41 and dry-type iron-core reactor 42, described dry-type iron-core reactor 42 is connected with shunt capacitor 41, described shunt capacitor 41 two ends parallel discharge coils 44, junction lightning arrester connected in parallel 43 ground connection of described shunt capacitor 41 and dry-type iron-core reactor 42, another termination active-part on-load-tap-changing auto device 45 of dry-type iron-core reactor 42, by shunt capacitor 41, the filtering compensation branch road 4 that dry-type iron-core reactor 42 is formed, the inductive reactive power compensation that can cooperate magnet controlled reactor 112 is realized the dynamic compensation function to system's reactive power.
Embodiment should not be considered as restriction of the present utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection range of the present utility model.
Claims (9)
1. high pressure dynamic filter reactive compensation complete device; it comprises major loop (1); reactive power compensation control unit (2) and remote monitoring unit (3); described major loop (1) comprises magnet controlled reactor loop (11) and vacuum contactor-fuse combined electric apparatus loop (12); it is characterized in that: described magnet controlled reactor loop (11) comprises magnet controlled reactor (112); the performance element (113) that is connected with magnet controlled reactor (112) and excitation control unit (111); described excitation control unit (111) is connected with performance element (113); described reactive power compensation control unit (2) comprises the switch control unit (23) for the control switch break-make; reactive power compensation unit (21) and data acquisition unit (22); described reactive power compensation unit (21) comprises detecting unit (211); protected location (212) and control unit (213), described reactive power compensation unit (21) are connected with data acquisition unit (22) and excitation control unit (111) respectively.
2. high pressure dynamic filter reactive compensation complete device according to claim 1, it is characterized in that: described reactive power compensation control unit (2) is provided with the communication unit (24) that is connected for remote monitoring unit (3).
3. high pressure dynamic filter reactive compensation complete device according to claim 1 is characterized in that: described remote monitoring unit (3) also is provided with for the warning indicating member (31) of the indication of reporting to the police, remote computer (32) and is used for remote-operated switching manipulation panel (33).
4. high pressure dynamic filter reactive compensation complete device according to claim 1 is characterized in that: the unshakable in one's determination and winding composition of four posts of described magnet controlled reactor (112) employing.
5. high pressure dynamic filter reactive compensation complete device according to claim 4 is characterized in that: the described four posts silicon steel sheet that adopts unshakable in one's determination.
6. high pressure dynamic filter reactive compensation complete device according to claim 4 is characterized in that: described winding employing enamelled wire.
7. high pressure dynamic filter reactive compensation complete device according to claim 1 is characterized in that: described performance element (113) comprises power conversion unit (1131), excitation on-off control unit (1132) and the light-to-current inversion isolated location (1133) that connects successively.
8. high pressure dynamic filter reactive compensation complete device according to claim 1, it is characterized in that: described high pressure dynamic filter reactive compensation complete device is provided with filtering compensation branch road (4).
9. high pressure dynamic filter reactive compensation complete device according to claim 8, it is characterized in that: described filtering compensation branch road (4) comprises shunt capacitor (41) and dry-type iron-core reactor (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320133901 CN203135452U (en) | 2013-03-22 | 2013-03-22 | High voltage dynamic filter reactive power compensation complete device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320133901 CN203135452U (en) | 2013-03-22 | 2013-03-22 | High voltage dynamic filter reactive power compensation complete device |
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| Publication Number | Publication Date |
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| CN203135452U true CN203135452U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320133901 Expired - Fee Related CN203135452U (en) | 2013-03-22 | 2013-03-22 | High voltage dynamic filter reactive power compensation complete device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600704A (en) * | 2015-02-06 | 2015-05-06 | 武汉大学 | Method and device for isolating harmonic waves of power supply and consumption systems |
| CN104701862A (en) * | 2013-12-10 | 2015-06-10 | 国家电网公司 | Outdoor pole-mounted SVG (static Var compensation) unit |
-
2013
- 2013-03-22 CN CN 201320133901 patent/CN203135452U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701862A (en) * | 2013-12-10 | 2015-06-10 | 国家电网公司 | Outdoor pole-mounted SVG (static Var compensation) unit |
| CN104600704A (en) * | 2015-02-06 | 2015-05-06 | 武汉大学 | Method and device for isolating harmonic waves of power supply and consumption systems |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20150322 |
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| EXPY | Termination of patent right or utility model |