CN103427423A - 3-35 kilovolt grading compensation type automatic voltage adjusting device - Google Patents
3-35 kilovolt grading compensation type automatic voltage adjusting device Download PDFInfo
- Publication number
- CN103427423A CN103427423A CN2012101527041A CN201210152704A CN103427423A CN 103427423 A CN103427423 A CN 103427423A CN 2012101527041 A CN2012101527041 A CN 2012101527041A CN 201210152704 A CN201210152704 A CN 201210152704A CN 103427423 A CN103427423 A CN 103427423A
- Authority
- CN
- China
- Prior art keywords
- contactor
- winding
- transformer
- phase
- parallel conversion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Protection Of Transformers (AREA)
Abstract
The invention discloses a 3-35 kilovolt grading compensation type automatic voltage adjusting device and relates to the technical field of voltage compensation. The 3-35 kilovolt grading compensation type automatic voltage adjusting device comprises a compensator transformer, a low voltage contactor set, a measuring feedback control device, and a same-phase measuring supply power supply transformer. A secondary compensation winding of the compensator transformer is connected in series with a phase wire circuit of a high voltage power distribution network. The 3-35 kilovolt grading compensation type automatic voltage adjusting device is characterized in that the same-phase measuring supply power supply transformer comprises a primary winding connected to a three-phase line of the high-voltage power distribution network and two secondary windings which are respectively connected to the low voltage contactor set and are used for measuring, the compensator transformer comprises two completely-same primary windings connected to the low voltage contactor set and the secondary compensation winding connected in series in the circuit of the high voltage power distribution network. The 3-35 kilovolt grading compensation type automatic voltage adjusting device has the advantages that the whole device is small in size, light in weight, and free of carbon brushes, servo motors, and mechanical transmission and the like, has remarkable energy-saving effect, and can automatically and stably output voltage on the condition that nobody is on duty.
Description
Technical field
The present invention relates to a kind of simple in structure, strong adaptability and there is 35kV and the following grading compensation formula automatic pressure regulating device of energy-saving effect.
Background technology
At present, in power supply process, exist supply line head, line loss is high and change in voltage is large problem.In order to address the above problem, generally adopted on the market installing on-load voltage regulating switch on the 35kV step-down transformer to solve.Make 3 ~ 10kV voltage after the 35kV step-down remain in the scope that rated voltage allows, but can't solve the large problem of 3 ~ 10kV distal line change in voltage, in change in voltage, large place adopts that to disperse the local compensation Voltage Technique be comparatively desirable way.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, strong adaptability and there is the 35kV of energy-saving effect and following large capacity voltage grading compensation formula automatic pressure regulating device.
Technical problem solved by the invention realizes by the following technical solutions:
3 ~ 35 kilovolts of grading compensation formula automatic pressure regulating devices, comprise compensator transformer, lv contactor group, measure feed back control system and same-phase measurement supply power transformer, the secondary compensation winding of described compensator transformer is serially connected in the phase line loop of high voltage distribution network, described lv contactor group realizes being electrically connected to the armature winding of described compensator transformer, measure the described same-phase measurement supply power transformer share with compensation and be connected on the phase line loop of high voltage distribution network, described measurement feed back control system is realized being electrically connected to described lv contactor group.It is characterized in that: described same-phase is measured the supply power transformer and is comprised that armature winding on the three-phase line that is connected to high voltage distribution network and two are connected on respectively the secondary winding on the upper and described measurement feed back control system of described lv contactor group; Described compensator transformer comprises: two identical armature windings and that are connected on described lv contactor group are serially connected in the secondary compensation winding in high voltage distribution network phase line loop.
Described lv contactor group comprises that contactor that three serial parallel conversions connect, two are just connecing for electric contactor, two reversal connections for electric contactors and a surge absorption device.
Described surge absorption device comprises circuit protection contactor and the circuit protection resistance of serial connection.
Measure between supply power transformer and described lv contactor group and also be connected with an inspection switch in described same-phase.
A contact of each contactor that described lv contactor group comprises with the mode that the armature winding of described compensator transformer is connected is: a contact of the first serial parallel conversion contactor is connected between the input of the output of the first armature winding and the second armature winding; A contact of the second serial parallel conversion contactor is connected between the input Same Name of Ends of two armature windings; A contact of the 3rd connection in series-parallel contactor is connected between the output Same Name of Ends of two armature windings; The first contact just connect for electric contactor is connected between the output and phase line of the second armature winding; The second contact just connect for electric contactor is connected between the input and the neutral line of the first armature winding; The first reversal connection is connected between the output and the neutral line of the second armature winding for a contact of electric contactor; The second reversal connection is connected between the input and phase line of the first armature winding for a contact of electric contactor.
The present invention includes following action step:
Straight-through gear: positive and negatively connect power supply and disconnect with contactor, first, second and third serial parallel conversion contactor is connected, the main contact closure of first, second and third serial parallel conversion contactor now, make the armature winding short circuit of described compensator transformer, so bucking voltage is zero;
Rise the I gear: first and second is just connecing for electric contactor and is connecting, first and second reversal connection disconnects for electric contactor, the first serial parallel conversion contactor is connected, second and third serial parallel conversion contactor disconnects, make the rear forward of armature winding series connection of described compensator transformer access described same-phase measurement supply power transformer secondary output winding, obtain rising the bucking voltage of one-level on the secondary compensation winding of described compensator transformer;
Rise the II gear: first and second is just connecing for electric contactor and is connecting, first and second reversal connection disconnects for electric contactor, second and third serial parallel conversion contactor is connected, the first serial parallel conversion contactor disconnects, after making the armature winding parallel connection of described compensator transformer, forward accesses the secondary winding that described same-phase is measured the supply power transformer, obtains rising the bucking voltage of secondary on the secondary compensation winding of described compensator transformer;
Fall the I gear: first and second reversal connection is connected for electric contactor, first and second is just connecing for electric contactor and is disconnecting, the first serial parallel conversion contactor is connected, second and third serial parallel conversion contactor disconnects, make the secondary winding of the described same-phase measurement of the rear oppositely access of the armature winding series connection supply power transformer of described compensator transformer, obtain falling the bucking voltage of one-level on the secondary compensation winding of described compensator transformer;
Fall the II gear: first and second reversal connection is connected for electric contactor, first and second is just connecing for electric contactor and is disconnecting, second and third serial parallel conversion contactor is connected, the first serial parallel conversion contactor disconnects, make the armature winding parallel connection of described compensator transformer oppositely access afterwards the secondary winding that described same-phase is measured the supply power transformer, obtain falling the bucking voltage of secondary on the secondary compensation winding of described compensator transformer.
The beneficial effect that the present invention has is: whole device volume is little, lightweight, non-carbonate, without advantages such as servomotor, machinery-free transmissions, and has obvious energy-saving effect.
The accompanying drawing explanation
Fig. 1 is the present invention: the overall structure schematic diagram of 3 ~ 35 kilovolts of grading compensation formula automatic pressure regulating devices.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Embodiment: shown in Fig. 1, 3 ~ 35 kilovolts of grading compensation formula automatic pressure regulating devices, comprise compensator transformer 1, lv contactor group 2, measure feed back control system 3 and same-phase and measure supply power transformer 4, the secondary compensation winding of described compensator transformer 1 is serially connected in the phase line loop of high voltage distribution network, described lv contactor group 2 realizes being electrically connected to the armature winding of described compensator transformer 1, measuring the described same-phase measurement supply power transformer 4 share with compensation is connected on the phase line loop of high voltage distribution network, described measurement feed back control system 3 is realized being electrically connected to described lv contactor group 2.Described same-phase measure supply power transformer 4 comprise armature winding on the three-phase line that is connected to high voltage distribution network and two be connected on respectively on described lv contactor group 2 and described measurement feed back control system 3 on secondary winding; Described compensator transformer 1 comprises: two identical armature windings and that are connected on described lv contactor group 2 are serially connected in the secondary compensation winding in high voltage distribution network phase line loop.
Described lv contactor group 2 comprises three serial parallel conversion contactor K1, K2, K3, and two are just connecing for electric contactor Kd1, Kd2, and two reversal connections are for electric contactor Kh1, Kh2 and a surge absorption device 5.
Described surge absorption device 5 comprises circuit protection contactor K4 and the circuit protection resistance R of serial connection.
Measure between supply power transformer 4 and described lv contactor group 2 and also be connected with an inspection switch Q in described same-phase.
A contact of each contactor that described lv contactor group 2 comprises with the mode that the armature winding of described compensator transformer 1 is connected is: the contact of the first serial parallel conversion contactor K1 is connected between the input of the output of the first armature winding and the second armature winding; The contact of the second serial parallel conversion contactor K2 is connected between the input Same Name of Ends of two armature windings; The contact of the 3rd connection in series-parallel contactor K3 is connected between the output Same Name of Ends of two armature windings; The first contact just connect for electric contactor Kd1 is connected between the output and phase line of the second armature winding; Second contact that is just meeting confession electric contactor Kd2 is connected between the input and neutral company of the first armature winding; The first reversal connection is connected between the output and the neutral line of the second armature winding for the contact of electric contactor Kh1; The second reversal connection is connected between the input and phase line of the first armature winding for the contact of electric contactor Kh2.
The present invention comprises following action step:
Straight-through gear: positive and negative connecing powered with contactor Kd1, Kd2, Kh1, Kh2 disconnection, first, second and third serial parallel conversion contactor K1, K2, K3 connect, the main contact closure of first, second and third serial parallel conversion contactor K1, K2, K3 now, make the armature winding short circuit of described compensator transformer 1, so bucking voltage is zero;
Rise the I gear: first and second is just connecing for electric contactor Kd1, Kd2 and is connecting, first and second reversal connection disconnects for electric contactor Kh1, Kh2, the first serial parallel conversion contactor K1 connects, second and third serial parallel conversion contactor K2, K3 disconnect, make the rear forward of armature winding series connection of described compensator transformer 1 access the secondary winding that described same-phase is measured supply power transformer 4, obtain rising the bucking voltage of one-level on the secondary compensation winding of described compensator transformer 1;
Rise the II gear: first and second is just connecing for electric contactor Kd1, Kd2 and is connecting, first and second reversal connection disconnects for electric contactor Kh1, Kh2, second and third serial parallel conversion contactor K2, K3 connect, the first serial parallel conversion contactor K1 disconnects, after making the armature winding parallel connection of described compensator transformer 1, forward accesses the secondary winding that described same-phase is measured supply power transformer 4, obtains rising the bucking voltage of secondary on the secondary compensation winding of described compensator transformer 1;
Fall the I gear: first and second reversal connection is connected for electric contactor Kh1, Kh2, first and second is just connecing for electric contactor Kd1, Kd2 and is disconnecting, the first serial parallel conversion contactor K1 connects, second and third serial parallel conversion contactor K2, K3 disconnect, make the secondary winding of the described same-phase measurement of the rear oppositely access of the armature winding series connection supply power transformer 4 of described compensator transformer 1, obtain falling the bucking voltage of one-level on the secondary compensation winding of described compensator transformer 1;
Fall the II gear: first and second reversal connection is connected for electric contactor Kh1, Kh2, first and second is just connecing for electric contactor Kd1, Kd2 and is disconnecting, second and third serial parallel conversion contactor K2, K3 connect, the first serial parallel conversion contactor K1 disconnects, make the armature winding parallel connection of described compensator transformer 1 oppositely access afterwards the secondary winding that described same-phase is measured supply power transformer 4, obtain falling the bucking voltage of secondary on the secondary compensation winding of described compensator transformer 1.
Above demonstration and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (6)
1.3 ~ 35 kilovolts of grading compensation formula automatic pressure regulating devices, comprise compensator transformer, lv contactor group, measure feed back control system and same-phase measurement supply power transformer, the secondary compensation winding of described compensator transformer is serially connected in the phase line loop of high voltage distribution network, described lv contactor group realizes being electrically connected to the armature winding of described compensator transformer, measure the described same-phase measurement supply power transformer share with compensation and be connected on the phase line loop of high voltage distribution network, described measurement feed back control system is realized being electrically connected to described lv contactor group.It is characterized in that: described same-phase is measured the supply power transformer and is comprised that armature winding on the three-phase line that is connected to high voltage distribution network and two are connected on respectively the secondary winding on the upper and described measurement feed back control system of described lv contactor group; Described compensator transformer comprises: two identical armature windings and that are connected on described lv contactor group are serially connected in the secondary compensation winding in high voltage distribution network phase line loop.
2. 3 ~ 35 kilovolts of grading compensation formula automatic pressure regulating devices according to claim 1 is characterized in that: described lv contactor group comprises that contactor that three serial parallel conversions connect, two are just connecing for electric contactor, two reversal connections for electric contactors and a surge absorption device.
3. 3 ~ 35 kilovolts of grading compensation formula automatic pressure regulating devices according to claim 1 and 2, it is characterized in that: described surge absorption device comprises circuit protection contactor and the circuit protection resistance of serial connection.
4. 3 ~ 35 kilovolts of grading compensation formula automatic pressure regulating devices according to claim 1, is characterized in that: in described same-phase, measure between supply power transformer and described lv contactor group and also be connected with an inspection switch.
5. 3 ~ 35 kilovolts of grading compensation formula automatic pressure regulating devices according to claim 1 and 2, it is characterized in that: a contact of each contactor that described lv contactor group comprises with the mode that the armature winding of described compensator transformer is connected is: a contact of the first serial parallel conversion contactor is connected between the input of the output of the first armature winding and the second armature winding; A contact of the second serial parallel conversion contactor is connected between the input Same Name of Ends of two armature windings; A contact of the 3rd connection in series-parallel contactor is connected between the output Same Name of Ends of two armature windings; The first contact just connect for electric contactor is connected between the output and phase line of the second armature winding; The second contact just connect for electric contactor is connected between the input and the neutral line of the first armature winding; The first reversal connection is connected between the output and the neutral line of the second armature winding for a contact of electric contactor; The second reversal connection is connected between the input and phase line of the first armature winding for a contact of electric contactor.
6. 3 ~ 35 kilovolts of grading compensation formula automatic pressure regulating devices according to claim 1 is characterized in that: comprise following action step:
Straight-through gear: positive and negatively connect power supply and disconnect with contactor, first, second and third serial parallel conversion contactor is connected, the main contact closure of first, second and third serial parallel conversion contactor now, make the armature winding short circuit of described compensator transformer, so bucking voltage is zero;
Rise the I gear: first and second is just connecing for electric contactor and is connecting, first and second reversal connection disconnects for electric contactor, the first serial parallel conversion contactor is connected, second and third serial parallel conversion contactor disconnects, make the rear forward of armature winding series connection of described compensator transformer access described same-phase measurement supply power transformer secondary output winding, obtain rising the bucking voltage of one-level on the secondary compensation winding of described compensator transformer;
Rise the II gear: first and second is just connecing for electric contactor and is connecting, first and second reversal connection disconnects for electric contactor, second and third serial parallel conversion contactor is connected, the first serial parallel conversion contactor disconnects, after making the armature winding parallel connection of described compensator transformer, forward accesses the secondary winding that described same-phase is measured the supply power transformer, obtains rising the bucking voltage of secondary on the secondary compensation winding of described compensator transformer;
Fall the I gear: first and second reversal connection is connected for electric contactor, first and second is just connecing for electric contactor and is disconnecting, the first serial parallel conversion contactor is connected, second and third serial parallel conversion contactor disconnects, make the secondary winding of the described same-phase measurement of the rear oppositely access of the armature winding series connection supply power transformer of described compensator transformer, obtain falling the bucking voltage of one-level on the secondary compensation winding of described compensator transformer;
Fall the II gear: first and second reversal connection is connected for electric contactor, first and second is just connecing for electric contactor and is disconnecting, second and third serial parallel conversion contactor is connected, the first serial parallel conversion contactor disconnects, make the armature winding parallel connection of described compensator transformer oppositely access afterwards the secondary winding that described same-phase is measured the supply power transformer, obtain falling the bucking voltage of secondary on the secondary compensation winding of described compensator transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101527041A CN103427423A (en) | 2012-05-16 | 2012-05-16 | 3-35 kilovolt grading compensation type automatic voltage adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101527041A CN103427423A (en) | 2012-05-16 | 2012-05-16 | 3-35 kilovolt grading compensation type automatic voltage adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103427423A true CN103427423A (en) | 2013-12-04 |
Family
ID=49651794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101527041A Pending CN103427423A (en) | 2012-05-16 | 2012-05-16 | 3-35 kilovolt grading compensation type automatic voltage adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103427423A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184337A (en) * | 2014-08-30 | 2014-12-03 | 龚秋声 | Alternating current stabilized voltage supply for adjusting compensating voltages through alternating current chopped waves in two-way mode |
| CN110544929A (en) * | 2019-10-18 | 2019-12-06 | 云南电网有限责任公司电力科学研究院 | earth fault current compensation system and method for self-generating power phase power supply |
-
2012
- 2012-05-16 CN CN2012101527041A patent/CN103427423A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184337A (en) * | 2014-08-30 | 2014-12-03 | 龚秋声 | Alternating current stabilized voltage supply for adjusting compensating voltages through alternating current chopped waves in two-way mode |
| CN104184337B (en) * | 2014-08-30 | 2019-03-19 | 龚秋声 | The alternating current steady voltage plug of AC chopping bidirectional modulation offset voltage |
| CN110544929A (en) * | 2019-10-18 | 2019-12-06 | 云南电网有限责任公司电力科学研究院 | earth fault current compensation system and method for self-generating power phase power supply |
| CN110544929B (en) * | 2019-10-18 | 2022-06-07 | 云南电网有限责任公司电力科学研究院 | Earth fault current compensation system and method for self-generating power phase power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102738810B (en) | Traction power supply system and method | |
| CN204556692U (en) | Multiple way electric metering junction box | |
| CN109378828A (en) | A kind of traction substation comprehensive compensating device and its method based on homo-phase traction transformer | |
| CN202134379U (en) | Double-voltage convertible transformer | |
| CN202872370U (en) | 3 to 35000 KV graded compensation type automatic voltage regulating device | |
| CN103427423A (en) | 3-35 kilovolt grading compensation type automatic voltage adjusting device | |
| CN106130020A (en) | A kind of series compensation device being applicable to double-circuit line | |
| CN103178527A (en) | Voltage deviation adjustor | |
| CN202307457U (en) | Dual-ratio transformer | |
| CN103427662A (en) | 35 KV step-down transformer with grading compensation and automatic voltage adjusting functions | |
| CN108306515B (en) | Hybrid multiport direct current transformer | |
| CN206920526U (en) | Multi-terminal direct current test system | |
| CN203950657U (en) | Multivoltage distribution transformer | |
| CN103295753B (en) | Large-span high-precision composite-transformacurrenttio currenttio transformer and manufacture method | |
| CN203722189U (en) | 400A-load-current switching device used for 10kV power distribution network | |
| CN203193283U (en) | Voltage deviation regulator | |
| CN106208078A (en) | A kind of active power regulator control system controlled based on Multi-coil transformer and power | |
| CN202872644U (en) | 35 kilovolt buck converter with function of grading compensation automatic voltage regulating | |
| CN201219241Y (en) | Great current generator | |
| CN105158618A (en) | Multifunctional test platform | |
| CN203574564U (en) | On-line energy taking system of high voltage series voltage compensation device | |
| CN204792383U (en) | Three -phase self coupling has intelligence of carrying to transfer piezoelectric transformer | |
| CN205070773U (en) | Isolated DC/DC Controller and Bidirectional Converter Control System | |
| CN205050681U (en) | Frequency conversion testing transformer | |
| CN204479622U (en) | A kind of three-phase three-winding transformer three side cooperation temperature rise test wiring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131204 |