CN207200295U - Three-phase electricity balanced output circuit - Google Patents
Three-phase electricity balanced output circuit Download PDFInfo
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- CN207200295U CN207200295U CN201721145187.XU CN201721145187U CN207200295U CN 207200295 U CN207200295 U CN 207200295U CN 201721145187 U CN201721145187 U CN 201721145187U CN 207200295 U CN207200295 U CN 207200295U
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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
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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Abstract
It the utility model is related to three-phase multiplexe electric technology field, more particularly to three-phase electricity balanced output circuit.A kind of three-phase electricity balanced output circuit, including：Control unit；The voltage signal of A, B, C three-phase electricity exported for collection to load, the detecting element of current signal；The capacitance component a being connected between A phases, B phases；The capacitance component b being connected between B phases, C phases；The capacitance component c being connected between C phases, A phases；Capacitance component a, capacitance component b, capacitance component c include at least one electric capacity；Each electric capacity is in series with switch；Control unit electrically connects with switch, current transformer respectively.By adjusting the capacitance connected between different phases, to balance the current balance type of three-phase so that the power factor (PF) of three-phase work improves.
Description
Technical field
It the utility model is related to three-phase multiplexe electric technology field, more particularly to three-phase electricity balanced output circuit.
Background technology
In the ideal situation, its line voltage is exchange 380V, and its phase voltage is alternating current 220V, three-phase four-wire system for three-phase mains
For the conveying of most common three-phase electrically, in the ideal situation, every phase load approximate equilibrium of three-phase electricity, the phase of so each phase
Voltage is equal；But in real process, threephase load typically can be uneven, causes the imbalance of three-phase electricity, while also make
Obtaining the neutral conductor has electric current generation, reduces the service efficiency and power factor (PF) of three-phase electricity, although existing many flat in the prior art
Weighing apparatus scheme, but all Shortcomings, such as technical scheme complexity.
Utility model content
The purpose of this utility model is in view of the shortcomings of the prior art, there is provided three-phase electricity balanced output circuit, can be to three
Mutually the output of electricity is balanced, and improves electric power factor.
To achieve the above object, the utility model uses following technical scheme：
A kind of three-phase electricity balanced output circuit, including：
Control unit；
The voltage signal of A, B, C three-phase electricity exported for collection to load, the detecting element of current signal；
The capacitance component a being connected between A phases, B phases；
The capacitance component b being connected between B phases, C phases；
The capacitance component c being connected between C phases, A phases；
Capacitance component a, capacitance component b, capacitance component c include at least one electric capacity；
Preferably, capacitance component a, capacitance component b, capacitance component c include a variety of capacity and the electric capacity being connected in parallel；
Each electric capacity is in series with switch；Control unit electrically connects with switch, current transformer respectively.
Further, the electric current of A phases is that the electric current that the electric current of Ia, B phase is Ib, C phase is Ic, and Ia+Ib+Ic=3I, when
Ia=I, Ib>I>During Ic, control unit controls the electric capacity quantity and appearance connected between B phases and C phases according to Ib, Ic offset
Amount so that revised B phases, C phase currents are I.
Further, the electric current of A phases is that the electric current that the electric current of Ia, B phase is Ib, C phase is Ic, and Ia+Ib+Ic=3I, when
Ia>I, and Ib>I>During Ic, control unit controls the electric capacity quantity connected between B phases and C phases according to Ia, Ib, Ic offset
The electric capacity quantity and capacity connected between capacity, and control A phases and C phases so that revised A phase, B phase, C phase electric current is equal
For I.
Further, the electric current of A phases is that the electric current that the electric current of Ia, B phase is Ib, C phase is Ic, and Ia+Ib+Ic=3I, when
Ia>I, and I>Ib>During Ic, control unit controls the electric capacity quantity connected between B phases and A phases according to Ia, Ib, Ic offset
The electric capacity quantity and capacity connected between capacity, and control A phases and C phases so that revised A phase, B phase, C phase electric current is equal
For I.
The technical program obtains beneficial effect：By adjusting the capacitance connected between different phases, to balance the electricity of three-phase
Mobile equilibrium so that the power factor (PF) of three-phase work improves.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the present embodiment.
Embodiment
Embodiment 1：A kind of three-phase electricity balanced output circuit, including：
Control unit；
The voltage signal of A, B, C three-phase electricity exported for collection to load, the detecting element of current signal；
The capacitance component a being connected between A phases, B phases；
The capacitance component b being connected between B phases, C phases；
The capacitance component c being connected between C phases, A phases；
Capacitance component a, capacitance component b, capacitance component c include a variety of capacity and the electric capacity being connected in parallel, and each electricity
Appearance is in series with switch；Control unit electrically connects with switch, current transformer respectively.
In the technical program, detecting element can be transformer, and electric current, the voltage per phase, control are gathered by transformer
Unit detects to electric current, the voltage of every phase, and when three-phase current unbalance, control unit passes through controlling switch so that electricity
Hold the partition capacitance connection in component a, capacitance component b and capacitance component c, shift out-of-balance current so that respectively mutually obtain good
Good compensation, realizes current balance type.Control unit can use PLC, controller etc.；Switch can use relay etc..
Further, the electric current of A phases is that the electric current that the electric current of Ia, B phase is Ib, C phase is Ic, and Ia+Ib+Ic=3I, when
Ia=I, Ib>I>During Ic, control unit controls the electric capacity quantity and appearance connected between B phases and C phases according to Ib, Ic offset
Amount so that revised B phases, C phase currents are I.
In actual production process, the imbalance of threephase load, the electric current of wherein two-phase load end may be caused to occur partially
Move, for this situation, flying capcitor, the unnecessary energy of B phases can be stored between C phases, B phases on electric capacity, the energy of electric capacity is in C
Discharged in phase；So as to balance B phases and C phases.Here A, B, C phase is only for example, and can be changed in actual applications.
Further, the electric current of A phases is that the electric current that the electric current of Ia, B phase is Ib, C phase is Ic, and Ia+Ib+Ic=3I, when
Ia>I, and Ib>I>During Ic, control unit controls the electric capacity quantity connected between B phases and C phases according to Ia, Ib, Ic offset
The electric capacity quantity and capacity connected between capacity, and control A phases and C phases so that revised A phase, B phase, C phase electric current is equal
For I.
In process of production, may be larger due to the load of a certain phase, so as to cause the current offset amount of the phase larger, its
His two-phase offset is smaller, now, between A phases and C phases, certain electric capacity of being connected between B phases and C phases, is shifted by electric capacity
Watt current, balanced three-phase current.
Further, the electric current of A phases is that the electric current that the electric current of Ia, B phase is Ib, C phase is Ic, and Ia+Ib+Ic=3I, when
Ia>I, and I>Ib>During Ic, control unit controls the electric capacity quantity connected between B phases and A phases according to Ia, Ib, Ic offset
The electric capacity quantity and capacity connected between capacity, and control A phases and C phases so that revised A phase, B phase, C phase electric current is equal
For I.
In process of production, may be smaller due to the load of a certain phase, so as to cause the current offset amount of the phase larger, its
His two-phase offset is smaller, now, between A phases and C phases, certain electric capacity of being connected between B phases and A phases, is shifted by electric capacity
Watt current, balanced three-phase current.
Above content is only preferred embodiment of the present utility model, for one of ordinary skill in the art, according to this reality
With new thought, there will be changes, this specification content should not be construed as in specific embodiments and applications
To limitation of the present utility model.
Claims (4)
- A kind of 1. three-phase electricity balanced output circuit, it is characterised in that：Including：Control unit；The voltage signal of A, B, C three-phase electricity exported for collection to load, the detecting element of current signal；The capacitance component a being connected between A phases, B phases；The capacitance component b being connected between B phases, C phases；The capacitance component c being connected between C phases, A phases；Capacitance component a, capacitance component b, capacitance component c include at least one electric capacity, and each electric capacity is in series with switch；Control Unit electrically connects with switch, current transformer respectively.
- A kind of 2. three-phase electricity balanced output circuit according to claim 1, it is characterised in that：The electric current of A phases is Ia, B phase Electric current be that the electric current of Ib, C phase is Ic, and Ia+Ib+Ic=3I works as Ia=I, Ib>I>During Ic, control unit is according to Ib, Ic Offset, control the electric capacity quantity connected between B phases and C phases and capacity so that revised B phases, C phase currents are I.
- A kind of 3. three-phase electricity balanced output circuit according to claim 1, it is characterised in that：The electric current of A phases is Ia, B phase Electric current be that the electric current of Ib, C phase is Ic, and Ia+Ib+Ic=3I works as Ia>I, and Ib>I>During Ic, control unit according to Ia, Ib, Ic offset, control the electricity connected between the electric capacity quantity connected between B phases and C phases and capacity, and control A phases and C phases Hold quantity and capacity so that revised A phase, B phase, C phase electric current is I.
- A kind of 4. three-phase electricity balanced output circuit according to claim 1, it is characterised in that：The electric current of A phases is Ia, B phase Electric current be that the electric current of Ib, C phase is Ic, and Ia+Ib+Ic=3I works as Ia>I, and I>Ib>During Ic, control unit according to Ia, Ib, Ic offset, control the electricity connected between the electric capacity quantity connected between B phases and A phases and capacity, and control A phases and C phases Hold quantity and capacity so that revised A phase, B phase, C phase electric current is I.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721145187.XU CN207200295U (en) | 2017-09-07 | 2017-09-07 | Three-phase electricity balanced output circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721145187.XU CN207200295U (en) | 2017-09-07 | 2017-09-07 | Three-phase electricity balanced output circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207200295U true CN207200295U (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721145187.XU Active CN207200295U (en) | 2017-09-07 | 2017-09-07 | Three-phase electricity balanced output circuit |
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| CN (1) | CN207200295U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107528333A (en) * | 2017-09-07 | 2017-12-29 | 广东元森能源科技有限公司 | Three-phase electricity balanced output circuit and method |
-
2017
- 2017-09-07 CN CN201721145187.XU patent/CN207200295U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107528333A (en) * | 2017-09-07 | 2017-12-29 | 广东元森能源科技有限公司 | Three-phase electricity balanced output circuit and method |
| WO2019047515A1 (en) * | 2017-09-07 | 2019-03-14 | 广东元森能源科技有限公司 | Balanced output circuit and method for three-phase electricity |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210128 Address after: 523000 Room 201, building 2, 21 Xianghe 1st Road, Dalang Town, Dongguan City, Guangdong Province Patentee after: Guangdong Guosong Energy Technology Co.,Ltd. Address before: 523000 four floor, G building, Lian Xing Zhi Zhi Industrial Park, Chuangxing Road, Gao Yong Town, Dongguan, Guangdong. Patentee before: GUANGDONG YUANSEN ENERGY TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |