CN200979992Y - A reactive compensation device of an intelligent hurl slices switch with contact points - Google Patents
A reactive compensation device of an intelligent hurl slices switch with contact points Download PDFInfo
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- CN200979992Y CN200979992Y CNU2006201564360U CN200620156436U CN200979992Y CN 200979992 Y CN200979992 Y CN 200979992Y CN U2006201564360 U CNU2006201564360 U CN U2006201564360U CN 200620156436 U CN200620156436 U CN 200620156436U CN 200979992 Y CN200979992 Y CN 200979992Y
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- cut switch
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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 relates to an intelligent type contact throw-and-cut switch reactive-load compensation device, with a contactor of a first monopole contact throw-and-cut switch connected with a single-phase source and one end of a capacitor with triangular or Y-shaped connection, and a contactor of a second monopole contact throw-and-cut switch is connected with another single-phase source and another end of the capacitor with triangular or Y-shaped connection, and a third-phase source is directly connected with the third end of the capacitor with triangular or Y-shaped connection. An intelligence controller system separately checks the two terminals voltage of the first and the second monopole contact throw-and-cut switches and turns on the monopole contact throw-and-cut switch system as the two terminals voltage at zero, thereby realizing no inrush current or few inrush current connecting to the capacitor. The intelligence controller system checks the output signals of a first and a second current transformers, and cuts off the first and the second monopole contact throw-and-cut switches contactor system before the first-phase and the second-phase currents being zero-cross, therefore the utility model can realize turning on-and-off the circuit in non-arcing or few-arcing status, and also guarantees reactive-load compensation with low cost and high property.
Description
Technical field
The utility model relates to a kind of intelligent in the power system reactive power compensation technical field contact fling-cut switch reactive power compensator.
Background technology
Discuss reactive power compensator is existing in the document at present, Electricity Federation, Beijing power photoelectricity gas Co., Ltd releases a kind of electromechanical switch as fling-cut switch, the electromechanical switch is in parallel with the A.C. contactor main contact with control unit, adopt three electromechanical switches of microprocessor control, it can realize no-voltage connection capacitor, but the thyristor cost in the control unit is higher.
The utility model content
In order to solve existing in prior technology the problems referred to above, the utility model provides a kind of intelligent contact fling-cut switch reactive power compensator that has, it can by the intelligent controller system detect respectively first with second one pole fling-cut switch contact, contact both end voltage is arranged, when first and second one pole have near the no-voltage of two ends, fling-cut switch contact, contact, connect one pole contact fling-cut switch contact system is arranged, therefore not only can realize the no-flashy-flow or the connection capacitor that shoves less, and because fling-cut switch only is an Electric device with a contact, saved expensive thyristor, thereby guaranteed low-cost to carry out reactive power compensation with high-performance.
To achieve these goals, the utility model provides following two kinds of technical schemes:
First kind of technical scheme comprises that intelligent controller system, control power supply, first one pole have contact fling-cut switch, second one pole that contact fling-cut switch, delta connection capacitor are arranged; The power end of control power supply and intelligent controller system joins, first one pole of two output terminations of intelligent controller system has the coil of contact fling-cut switch, first one pole has the coil of contact fling-cut switch to drive contact system, second one pole of two output terminations in addition of intelligent controller system has the coil of contact fling-cut switch, and second one pole has the coil of contact fling-cut switch to drive contact system; First one pole have the contact fling-cut switch contact system contact with first mutually power supply, and first voltage signal input of intelligent controller system join, first one pole has an end, second the voltage signal input that reaches the intelligent controller system of another contact and delta connection capacitor of the contact system of contact fling-cut switch to join; Second one pole have the contact fling-cut switch contact system contact with second mutually power supply, and the 3rd voltage signal input of intelligent controller system join, second one pole have another contact of contact system of contact fling-cut switch and delta connection capacitor the other end, and the 4th voltage signal input of intelligent controller system join, the 3rd end of third phase power supply and delta connection capacitor directly joins.
This technical scheme can by the intelligent controller system detect respectively first with second one pole fling-cut switch contact, contact both end voltage is arranged, connecting one pole when first and second one pole have near the no-voltage of two ends, fling-cut switch contact, contact has contact fling-cut switch contact system, realizes the no-flashy-flow or the connection capacitor that shoves less.In addition, owing to adopt the capacitor of delta connection, therefore can adapt to the identical situation of each phase power (as motor etc.), realize that under situation cheaply high performance three-phase mends altogether.
Second kind of technical scheme comprises that intelligent controller system, control power supply, first one pole have contact fling-cut switch, second one pole that contact fling-cut switch, Y connection capacitor are arranged; The power end of control power supply and intelligent controller system joins, first one pole of two output terminations of intelligent controller system has the coil of contact fling-cut switch, first one pole has the coil of contact fling-cut switch to drive contact system, second one pole of two output terminations in addition of intelligent controller system has the coil of contact fling-cut switch, and second one pole has the coil of contact fling-cut switch to drive contact system; First one pole have the contact fling-cut switch contact system contact with first mutually power supply, and first voltage signal input of intelligent controller system join, first one pole have the contact fling-cut switch contact system another contact and Y connection capacitor an end, reach second voltage signal input of intelligent controller system) join; Second one pole have the contact fling-cut switch contact system contact with second mutually power supply, and the 3rd voltage signal input of intelligent controller system join, second one pole have another contact of contact system of contact fling-cut switch and Y connection capacitor the other end, and the 4th voltage signal input of intelligent controller system join, the 3rd end of third phase power supply and Y connection capacitor directly joins.
This technical scheme also can by the intelligent controller system detect respectively first with second one pole fling-cut switch contact, contact both end voltage is arranged, connecting one pole when first and second one pole have near the no-voltage of two ends, fling-cut switch contact, contact has contact fling-cut switch contact system, realizes the no-flashy-flow or the connection capacitor that shoves less.In addition, form Y connection owing to the capacitor with delta connection changes into by three capacitors, thereby can adapt to the different situation of each phase power (as the residential electricity consumption net), realizing high performance three-phase phase-splitting reactive compensation under the situation cheaply.
Further purpose of the present utility model is: by detect first with second current transformer pay the limit output signal, first of disconnection and second one pole have contact fling-cut switch contact system before the first and second phase current zero passage respectively, thereby realize no arc or few arc open circuit.
To achieve these goals, the further improvement of above-mentioned two kinds of technical schemes is: be connected with first current transformer on the contact system that first one pole has a contact fling-cut switch and first circuit that power supply connects mutually, the contact system that second one pole has a contact fling-cut switch is connected with second current transformer on the circuit of power supply connection mutually with second; Two current signal inputs that first current transformer paid limit two outputs and intelligent controller system join, and two current signal inputs that second current transformer paid limit two outputs and intelligent controller system join.
Described intelligent controller system is provided with by internal processes and circuit and carries out following instruction:
When circuit power factor on the low side, need compensate when dropping into capacitor, the voltage signal input of intelligent controller system detects first respectively has the contact system both end voltage of contact fling-cut switch with second one pole, suitably constantly the intelligent controller system controls first respectively through output and with second one pole the coil electricity of contact fling-cut switch is arranged behind the voltage zero-detection, near closed respectively first circuitry phase and second circuitry phase connected when making first contact system that the contact fling-cut switch is arranged with second one pole the no-voltage of two ends realized the no-flashy-flow or the connection capacitor that shoves less;
When needs excision capacitor, the intelligent controller system by the current signal input detect respectively first with second current transformer pay the limit output signal, carving first of control and second one pole respectively in due course has the coil blackout of contact fling-cut switch, disconnecting first before the first and second phase current zero passage has the contact system of contact fling-cut switch with second one pole, realize no arc or less arc cut-off circuit.
It is the twin coil magnetic latching relay that described first and second one pole have the contact fling-cut switch, wherein an end of two of first magnetic latching relay coils joins, receive the output of intelligent controller system again, the other end of two coils joins with the output of intelligent controller system respectively; One end of two coils of second magnetic latching relay joins, and receives the output of intelligent controller system again, and the other end of two coils joins with the output of intelligent controller system respectively.
Than prior art, the beneficial effects of the utility model are: both can realize no-flashy-flow or shove less connecting capacitor and no arc or few arc open circuit, save expensive thyristor again, therefore have the low and high performance characteristics of cost.
Description of drawings
Fig. 1 is the utility model embodiment one organigram.
Fig. 2 is the intelligent controller system schematic among Fig. 1.
Fig. 3 is the twin coil magnetic latching relay that adopts among Fig. 1 and the connection diagram of intelligent controller system.
Fig. 4 is the utility model embodiment two organigrams.
Embodiment
Below in conjunction with Figure of description and specific embodiment the utility model content is elaborated:
Be illustrated in figure 1 as a kind of intelligent contact fling-cut switch reactive power compensator that has, it comprises that the Z of intelligent controller system, control power supply Y, first one pole have contact fling-cut switch K1, second one pole that contact fling-cut switch K2, delta connection capacitor C are arranged; The power end of control power supply Y and the Z of intelligent controller system joins, the output 30,31 of the Z of intelligent controller system meets the coil K01 that first one pole has contact fling-cut switch K1, first one pole has the coil K01 of contact fling-cut switch K1 to drive contact system K10, the output 32,33 of the Z of intelligent controller system meets the coil K02 that second one pole has contact fling-cut switch K2, and second one pole has the coil K02 of contact fling-cut switch K2 to drive contact system K20; First one pole have contact fling-cut switch K1 contact system K10 contact K11 with first mutually power supply 1, and the voltage signal input 14 of the Z of intelligent controller system join, first one pole has the end 41, the voltage signal input 17 that reaches the Z of intelligent controller system of another contact K12 and delta connection capacitor C of the contact system K10 of contact fling-cut switch K1 to join; Second one pole have contact fling-cut switch K2 contact system K20 contact K21 with second mutually power supply 2, and the voltage signal input 15 of the Z of intelligent controller system join, second one pole have another contact K22 of contact system K20 of contact fling-cut switch K2 and delta connection capacitor C the other end 42, and the voltage signal input 18 of the Z of intelligent controller system join, third phase power supply 3 directly joins with the 3rd end 43 of delta connection capacitor C.
Be connected with first current transformer L1 on the contact system K10 that first one pole has a contact fling-cut switch K1 and first circuit that power supply 1 connects mutually, the contact system K20 that second one pole has a contact fling-cut switch K2 is connected with second current transformer L2 on the circuit of power supply 2 connections mutually with second; The current signal input 20,21 that first current transformer L1 pays limit two outputs and the Z of intelligent controller system joins, and the current signal input 22,23 that second current transformer L2 pays limit two outputs and the Z of intelligent controller system joins.
The described intelligent controller Z of system is provided with by internal processes and circuit and carries out following instruction:
When circuit power factor on the low side, need compensate when dropping into capacitor, the voltage signal input 14 and 17 of the Z of intelligent controller system, 15 and 18 detect first respectively has the contact system K10 of contact fling-cut switch with second one pole, the K20 both end voltage, the suitable intelligent controller Z of system constantly is through output 30 behind the voltage zero-detection, 31,32,33 control first respectively has the coil K01 of contact fling-cut switch with second one pole, the K02 energising, make first the contact system K10 of contact fling-cut switch to be arranged with second one pole, K20 is closed respectively first circuitry phase and second circuitry phase connected near the no-voltage of two ends the time, realizes the no-flashy-flow or the connection capacitor that shoves less;
When needs excision capacitor, the Z of intelligent controller system by current signal input 20 and 21,22 and 23 detect respectively first with second current transformer L1, L2 pay the limit output signal, carving first of control respectively in due course has coil K01, the K02 of contact fling-cut switch to cut off the power supply with second one pole, disconnecting first before the first and second phase current zero passage has contact system K10, the K20 of contact fling-cut switch with second one pole, realize no arc or less arc cut-off circuit.
As shown in Figure 2, Z is the intelligent controller system, Y is the control power supply, D is a single-chip microcomputer, Q is that one pole has contact fling-cut switch coil driver, A is that one pole has fling-cut switch contact, contact zero voltage signal testing circuit, B is that current signal detects the changing voltage circuit, Q1 is that first one pole has contact fling-cut switch coil driver, Q2 is that second one pole has contact fling-cut switch coil driver, A1 is that first one pole has fling-cut switch contact, contact zero voltage signal testing circuit, A2 is that second one pole has fling-cut switch contact, contact zero voltage signal testing circuit, B1 is that first current transformer output current signal detects the changing voltage circuit, and B2 is that second current transformer output current signal detects the changing voltage circuit.
As can be known from Fig. 2, the positive voltage terminal of control power supply Y connects the positive power source terminal of single-chip microcomputer D, the ground end of the ground termination single-chip microcomputer D of control power supply Y, first one pole has contact fling-cut switch coil driver Q1, second one pole has contact fling-cut switch coil driver Q2, first one pole has fling-cut switch contact, contact zero voltage signal testing circuit A1, second one pole has fling-cut switch contact, contact zero voltage signal testing circuit A2, first current transformer output current signal detects changing voltage circuit B1, the ground end of second current transformer output current signal detection changing voltage circuit B2 and the ground end of single-chip microcomputer D join, the mouth 1 of single-chip microcomputer D connects the input that first one pole has contact fling-cut switch coil driver Q1, the mouth 2 of single-chip microcomputer D connects the input that second one pole has contact fling-cut switch coil driver Q2, first one pole has the output of fling-cut switch contact, contact zero voltage signal testing circuit A1 to connect the mouth 4 of single-chip microcomputer D, second one pole has the output of fling-cut switch contact, contact zero voltage signal testing circuit A2 to connect the mouth 5 of single-chip microcomputer D, the output of first current transformer output current signal detection changing voltage circuit B1 connects the mouth 7 of single-chip microcomputer D, the output of second current transformer output current signal detection changing voltage circuit B2 connects the mouth 8 of single-chip microcomputer D, first one pole has two outputs of contact fling-cut switch coil driver Q1 to connect the output 30 of the Z of intelligent controller system respectively, 31, second one pole has two outputs of contact fling-cut switch coil driver Q2 to connect the output 32 of the Z of intelligent controller system respectively, 33, the voltage signal input 14 of the Z of intelligent controller system, 15 connect two inputs that first one pole has fling-cut switch contact, contact zero voltage signal testing circuit A1 respectively, the voltage signal input 17 of the Z of intelligent controller system, 18 ends connect two inputs that second one pole has fling-cut switch contact, contact zero voltage signal testing circuit A2 respectively, the current signal input 20 of the Z of intelligent controller system, 21 connect two inputs that first current transformer output current signal detects changing voltage circuit B1, the current signal input 22 of the Z of intelligent controller system respectively, 23 ends connect two inputs that second current transformer output current signal detects changing voltage circuit B2 respectively.
As shown in Figure 3, it is the twin coil magnetic latching relay that above-mentioned first and second one pole have the contact fling-cut switch, wherein the end of two of first magnetic latching relay coil K011, K012 joins, the other end of receiving output 36, two coil K011, the K012 of the Z of intelligent controller system again joins with the output 30,31 of the Z of intelligent controller system respectively; The end of two coil K021, K022 of second magnetic latching relay joins, and the other end of receiving output 36, two coil K021, the K022 of the Z of intelligent controller system again joins with the output 32,33 of the Z of intelligent controller system respectively.
Be illustrated in figure 4 as the another kind of intelligent contact fling-cut switch reactive power compensator that has of the utility model, the difference of it and embodiment 1 only is that the capacitor with delta connection changes into by three capacitors and forms Y connection, wherein first one pole have another contact K12 of contact system K10 of contact fling-cut switch K1 and Y connection capacitor C an end 41, and the voltage signal input 17 of the Z of intelligent controller system join; Second one pole have another contact K22 of contact system K20 of contact fling-cut switch K2 and Y connection capacitor C the other end 42, and the voltage signal input 18 of the Z of intelligent controller system join, third phase power supply 3 directly joins with the 3rd end 43 of Y connection capacitor C.
Present embodiment is owing to change three capacitors into Y connection, thereby can adapt to the different situation of each phase power, realizes the three-phase phase-splitting reactive compensation.
Claims (8)
1. one kind intelligently has a contact fling-cut switch reactive power compensator, and it is characterized in that: it comprises that intelligent controller system (Z), control power supply (Y), first one pole have contact fling-cut switch (K1), second one pole that contact fling-cut switch (K2), delta connection capacitor (C) are arranged; Control power supply (Y) joins with the power end of intelligent controller system (Z), the output (30) of intelligent controller system (Z), (31) connect the coil (K01) that first one pole has contact fling-cut switch (K1), first one pole has the coil (K01) of contact fling-cut switch (K1) to drive contact system (K10), the output (32) of intelligent controller system (Z), (33) connect the coil (K02) that second one pole has contact fling-cut switch (K2), and second one pole has the coil (K02) of contact fling-cut switch (K2) to drive contact system (K20); First one pole have contact fling-cut switch (K1) contact system (K10) a contact (K11) with first mutually power supply (1), and the voltage signal input (14) of intelligent controller system (Z) join, first one pole have contact fling-cut switch (K1) contact system (K10) another contact (K12) and delta connection capacitor (C) an end (41), and the voltage signal input (17) of intelligent controller system (Z) join; Second one pole have contact fling-cut switch (K2) contact system (K20) a contact (K21) with second mutually power supply (2), and the voltage signal input (15) of intelligent controller system (Z) join, second one pole have contact fling-cut switch (K2) contact system (K20) another contact (K22) and delta connection capacitor (C) the other end (42), and the voltage signal input (18) of intelligent controller system (Z) join, third phase power supply (3) directly joins with the 3rd end (43) of delta connection capacitor (C).
2. the intelligent contact fling-cut switch reactive power compensator that has as claimed in claim 1, it is characterized in that: be connected with first current transformer (L1) on the contact system (K10) that first one pole has contact fling-cut switch (K1) and first circuit that power supply (1) connects mutually, the contact system (K20) that second one pole has contact fling-cut switch (K2) is connected with second current transformer (L2) on the circuit of power supply (2) connection mutually with second; Current signal input (20), (21) that first current transformer (L1) paid limit two outputs and intelligent controller system (Z) join, and current signal input (22), (23) that second current transformer (L2) paid limit two outputs and intelligent controller system (Z) join.
3. the intelligent contact fling-cut switch reactive power compensator that has as claimed in claim 2, it is characterized in that, described intelligent controller system (Z) is provided with by internal processes and circuit and carries out following instruction: the voltage signal input (14) of intelligent controller system (Z), (17), (15), (18) detect first respectively and the contact system (K10) of contact fling-cut switch is arranged with second one pole, (K20) both end voltage, suitable intelligent controller system (Z) constantly is through output (30) behind the voltage zero-detection, (31), (32), (33) control first respectively and the coil (K01) of contact fling-cut switch is arranged with second one pole, (K02) energising, make first the contact system (K10) of contact fling-cut switch to be arranged with second one pole, (K20) closed respectively first circuitry phase and second circuitry phase connected realized the no-flashy-flow or the connection capacitor that shoves less in the time of near the no-voltage of two ends; Intelligent controller system (Z) detects first respectively by current signal input (20), (21), (22), (23) and pays limit output signal with second current transformer (L1), (L2), carving first of control respectively in due course has the coil (K01) of contact fling-cut switch, (K02) to cut off the power supply with second one pole, disconnecting first before the first and second phase current zero passage has contact system (K10), (K20) of contact fling-cut switch with second one pole, realize no arc or less arc cut-off circuit.
4. as claim 1 or the 2 or 3 described intelligent contact fling-cut switch reactive power compensators that have, it is characterized in that: it is the twin coil magnetic latching relay that described first and second one pole have the contact fling-cut switch, wherein the end of two of first magnetic latching relay coils (K011), (K012) joins, receive the output (36) of intelligent controller system (Z) again, the other end of two coils (K011), (K012) joins with output (30), (31) of intelligent controller system (Z) respectively; Two coils (K021) of second magnetic latching relay, an end of (K022) join, receive the output (36) of intelligent controller system (Z) again, the other end of two coils (K021), (K022) joins with output (32), (33) of intelligent controller system (Z) respectively.
5. one kind intelligently has a contact fling-cut switch reactive power compensator, and it is characterized in that: it comprises that intelligent controller system (Z), control power supply (Y), first one pole have contact fling-cut switch (K1), second one pole that contact fling-cut switch (K2), Y connection capacitor (C) are arranged; Control power supply (Y) joins with the power end of intelligent controller system (Z), the output (30) of intelligent controller system (Z), (31) connect the coil (K01) that first one pole has contact fling-cut switch (K1), first one pole has the coil (K01) of contact fling-cut switch (K1) to drive contact system (K10), the output (32) of intelligent controller system (Z), (33) connect the coil (K02) that second one pole has contact fling-cut switch (K2), and second one pole has the coil (K02) of contact fling-cut switch (K2) to drive contact system (K20); First one pole have contact fling-cut switch (K1) contact system (K10) a contact (K11) with first mutually power supply (1), and the voltage signal input (14) of intelligent controller system (Z) join, first one pole have contact fling-cut switch (K1) contact system (K10) another contact (K12) and Y connection capacitor (C) an end (41), and the voltage signal input (17) of intelligent controller system (Z) join; Second one pole have contact fling-cut switch (K2) contact system (K20) a contact (K21) with second mutually power supply (2), and the voltage signal input (15) of intelligent controller system (Z) join, second one pole have contact fling-cut switch (K2) contact system (K20) another contact (K22) and Y connection capacitor (C) the other end (42), and the voltage signal input (18) of intelligent controller system (Z) join, third phase power supply (3) directly joins with the 3rd end (43) of Y connection capacitor (C).
6. the intelligent contact fling-cut switch reactive power compensator that has as claimed in claim 5, it is characterized in that: be connected with first current transformer (L1) on the contact system (K10) that first one pole has contact fling-cut switch (K1) and first circuit that power supply (1) connects mutually, the contact system (K20) that second one pole has contact fling-cut switch (K2) is connected with second current transformer (L2) on the circuit of power supply (2) connection mutually with second; Current signal input (20), (21) that first current transformer (L1) paid limit two outputs and intelligent controller system (Z) join, and current signal input (22), (23) that second current transformer (L2) paid limit two outputs and intelligent controller system (Z) join.
7. the intelligent contact fling-cut switch reactive power compensator that has as claimed in claim 6, it is characterized in that, described intelligent controller system (Z) is provided with by internal processes and circuit and carries out following instruction: the voltage signal input (14) of intelligent controller system (Z), (17), (15), (18) detect first respectively and the contact system (K10) of contact fling-cut switch is arranged with second one pole, (K20) both end voltage, suitable intelligent controller system (Z) constantly is through output (30) behind the voltage zero-detection, (31), (32), (33) control first respectively and the coil (K01) of contact fling-cut switch is arranged with second one pole, (K02) energising, make first the contact system (K10) of contact fling-cut switch to be arranged with second one pole, (K20) closed respectively first circuitry phase and second circuitry phase connected realized the no-flashy-flow or the connection capacitor that shoves less in the time of near the no-voltage of two ends; Intelligent controller system (Z) detects first respectively by current signal input (20), (21), (22), (23) and pays limit output signal with second current transformer (L1), (L2), carving first of control respectively in due course has the coil (K01) of contact fling-cut switch, (K02) to cut off the power supply with second one pole, disconnecting first before the first and second phase current zero passage has contact system (K10), (K20) of contact fling-cut switch with second one pole, realize no arc or less arc cut-off circuit.
8. as claim 5 or the 6 or 7 described intelligent contact fling-cut switch reactive power compensators that have, it is characterized in that: it is the twin coil magnetic latching relay that described first and second one pole have the contact fling-cut switch, wherein the end of two of first magnetic latching relay coils (K011), (K012) joins, receive the output (36) of intelligent controller system (Z) again, the other end of two coils (K011), (K012) joins with output (30), (31) of intelligent controller system (Z) respectively; Two coils (K021) of second magnetic latching relay, an end of (K022) join, receive the output (36) of intelligent controller system (Z) again, the other end of two coils (K021), (K022) joins with output (32), (33) of intelligent controller system (Z) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201564360U CN200979992Y (en) | 2006-12-05 | 2006-12-05 | A reactive compensation device of an intelligent hurl slices switch with contact points |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201564360U CN200979992Y (en) | 2006-12-05 | 2006-12-05 | A reactive compensation device of an intelligent hurl slices switch with contact points |
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| Publication Number | Publication Date |
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| CN200979992Y true CN200979992Y (en) | 2007-11-21 |
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|---|---|---|---|
| CNU2006201564360U Expired - Fee Related CN200979992Y (en) | 2006-12-05 | 2006-12-05 | A reactive compensation device of an intelligent hurl slices switch with contact points |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157912A (en) * | 2011-04-02 | 2011-08-17 | 齐志江 | Multifunctional module based on intelligent contact alternating current single-phase switch |
| CN101783511B (en) * | 2009-01-21 | 2013-05-01 | 北京馨容纵横科技发展有限公司 | Two-control three-precharge phase-control switch circuit of switched capacitor bank |
| CN103326381A (en) * | 2013-07-19 | 2013-09-25 | 江苏南自通华电力自动化有限公司 | Low-power-consumption rapid capacitor switching switch with intelligent control |
-
2006
- 2006-12-05 CN CNU2006201564360U patent/CN200979992Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783511B (en) * | 2009-01-21 | 2013-05-01 | 北京馨容纵横科技发展有限公司 | Two-control three-precharge phase-control switch circuit of switched capacitor bank |
| CN102157912A (en) * | 2011-04-02 | 2011-08-17 | 齐志江 | Multifunctional module based on intelligent contact alternating current single-phase switch |
| CN102157912B (en) * | 2011-04-02 | 2016-06-15 | 齐志江 | There is contact AC single phase switch as basic multifunction module taking intelligence |
| CN103326381A (en) * | 2013-07-19 | 2013-09-25 | 江苏南自通华电力自动化有限公司 | Low-power-consumption rapid capacitor switching switch with intelligent control |
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