CN209119821U - A kind of Combined electric capacity compensation cabinet - Google Patents
A kind of Combined electric capacity compensation cabinet Download PDFInfo
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- CN209119821U CN209119821U CN201822254177.0U CN201822254177U CN209119821U CN 209119821 U CN209119821 U CN 209119821U CN 201822254177 U CN201822254177 U CN 201822254177U CN 209119821 U CN209119821 U CN 209119821U
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- capacitor
- cabinet
- fuse
- compensation
- parallel
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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 Combined electric capacities to compensate cabinet, including three groups of capacitor compensation cabinets and power factor controller in parallel, every group of capacitor compensation cabinet includes relay, voltage transformer, fuse, capacitor, reactor and grounding switch, the relay connects fuse by voltage transformer, the other end of fuse connects capacitor, the other end of capacitor connects grounding switch, the reactor is in parallel with fuse and capacitor, the power factor controller connects capacitor compensation cabinet, for controlling the on-off of relay in every group of capacitor compensation cabinet.For the utility model under conditions of electric load is fluctuated and run, investment that can be continual and steady simultaneously more accurately controls power compensation factor, reduction inductive load.
Description
Technical field
The utility model relates to high-pressure system reactive compensations more particularly to a kind of Combined electric capacity to compensate cabinet.
Background technique
Chemical enterprise has independent high-pressure system to must be equipped with complete capacitance compensation system, sets as system support
It applies.Existing 600kvar capacitance compensation system meets nothing because chemical company's power load cannot be stablized in ideal setting condition
Function power stability will automatically exit from operation in 600kvar or more, low pressure 600kvar capacitance compensation, this will lead to electric system function
Rate compensation factor is too low, and then influences to input main power grid inductive load.
Utility model content
The purpose of this utility model is to provide a kind of Combined electric capacities to compensate cabinet, solves underrun condition
Under, single group bulky capacitor can not come into operation, and caused feedback is in the inductive load problems of too of power grid.
To achieve the above object, the technical solution of the utility model is as follows:
A kind of Combined electric capacity compensation cabinet, capacitor compensation cabinets and power factor controller including three groups of parallel connections, every group
The capacitor compensation cabinet includes relay, voltage transformer, fuse, capacitor, reactor and grounding switch, the relay
Fuse is connected by voltage transformer, the other end of fuse connects capacitor, and the other end of capacitor connects grounding switch, described
Reactor is in parallel with fuse and capacitor, and the power factor controller connects capacitor compensation cabinet, mends for controlling every group of capacitor
Repay the on-off of relay in cabinet.
In above scheme, capacitor compensation cabinet described in every group is respectively first capacitor compensating cabinet, the second capacitor compensation cabinet and
The capacitor of three capacitive compensators, the first capacitor compensating cabinet is the first parallel three phase capacitor, and combination capacitor value is
102kvar；The capacitor of second capacitor compensation cabinet is the second parallel three phase capacitor, and combination capacitor value is 201kvar；It is described
The capacitor of third capacitor compensation cabinet is third parallel three phase capacitor, and combination capacitor value is 402kvar.
In above scheme, capacitor compensation cabinet described in every group further includes arrester, and the arrester is connected to fuse and electricity
It presses between mutual inductor, is used for lightning protection.
In above scheme, the first capacitor compensating cabinet is equipped with end of incoming cables, and end of incoming cables is equipped with master switch, the master switch
One end is connected with relay, and the other end connects feeder cabinet switch, for control combination formula capacitance compensation cabinet and external feeder cabinet
Connection.
The Combined electric capacity of the utility model compensates cabinet, under conditions of electric load is fluctuated and run, can continue steady
Fixed investment simultaneously more accurately controls power compensation factor, reduces inductive load.
Detailed description of the invention
Fig. 1 is the functional block diagram of Combined electric capacity compensation cabinet in an embodiment of the present invention.
Specific embodiment
The technical solution of the utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of Combined electric capacity of the utility model compensates cabinet, including three groups of capacitor compensation cabinets in parallel
And power factor controller, power factor controller connects capacitor compensation cabinet, for controlling relay in every group of capacitor compensation cabinet
On-off.Wherein, every group of capacitor compensation cabinet include relay, voltage transformer, fuse, capacitor, reactor, arrester and
Grounding switch, relay connect fuse by voltage transformer, and the other end of fuse connects capacitor, and the other end of capacitor connects
Grounding switch is connect, reactor is in parallel with fuse and capacitor, the capacitor for correcting and accurate control is in parallel.Arrester connection
Between fuse and voltage transformer, it to be used for lightning protection.
In one embodiment, three groups of capacitor compensation cabinets are respectively first capacitor compensating cabinet, the second capacitor compensation cabinet and third
Capacitive compensator, the capacitor in every group are the main equipment of capacitor compensation cabinet, are parallel three phase capacitor.Wherein, first capacitor is mended
The capacitor for repaying cabinet is the first parallel three phase capacitor, and combination capacitor value is 102kvar；The capacitor of second capacitor compensation cabinet
For the second parallel three phase capacitor, combination capacitor value is 201kvar；The capacitor of the third capacitor compensation cabinet be third three-phase simultaneously
Join capacitor, combination capacitor value is 402kvar.First capacitor compensating cabinet is equipped with end of incoming cables, and end of incoming cables is equipped with master switch, master switch
One end be connected with relay KM1, the other end connects external feeder cabinet switch, for control combination formula capacitance compensation cabinet with
The connection of external feeder cabinet, the high voltage bus of feeder cabinet external connection 10kv.
Three groups of shunt capacitor C1, capacitor C2, capacitor C3 pass through reactor TV1 in parallel, reactor TV2, T reactance
Device V3 adjusts separately as 100kvar, 200kvar and 400kvar.Lower in high-pressure system power load, inductive load is lower than
When 100kvar, Combined electric capacity cabinet can meet power factor compensation without coming into operation.Increase in high-pressure system power load,
When inductive load >=100kvar, Combined electric capacity cabinet comes into operation, and is controlled by power factor controller and adjusts every group of capacitor
The investment of capacitor, concrete condition are as follows in compensating cabinet:
As 100kvar≤inductive load < 200kvar, the relay KM1 of first capacitor compensating cabinet is closed, the first three-phase
Shunt capacitance C1 comes into operation；As 200kvar≤inductive load < 300kvar, the relay KM2 of the second capacitor compensation cabinet is closed,
Second parallel three phase capacitor C2 comes into operation；As 300kvar≤inductive load < 400kvar, first capacitor compensating cabinet and the second electricity
The relay KM1 and relay KM2 of capacitance compensating cabinet are closed, and the first parallel three phase capacitor C1 and the second parallel three phase capacitor C2 are thrown
With；As 400kvar≤inductive load < 500kvar, the relay KM3 of third capacitor compensation cabinet is closed, third parallel three phase
Capacitor C3 comes into operation；As 500kvar≤inductive load < 600kvar, first capacitor compensating cabinet and third capacitor compensation cabinet after
Electric appliance KM1 and relay KM3 closure, the first parallel three phase capacitor C1 and third parallel three phase capacitor C3 come into operation；When 600kvar≤
When inductive load < 700kvar, the relay KM2 and relay KM3 of the second capacitor compensation cabinet and third capacitor compensation cabinet are closed,
Second parallel three phase capacitor C2 and third parallel three phase capacitor C3 come into operation；As inductive load >=700kvar, first capacitor compensation
The relay KM3 of the relay KM1 of cabinet, the relay KM2 of the second capacitor compensation cabinet and third capacitor compensation cabinet are closed, and the one or three
It is in parallel capacitor C1, the second parallel three phase capacitor C2 and third parallel three phase capacitor C3 comes into operation.
Combined electric capacity compensation cabinet it is practical come into operation during, pass through on the shell of cabinet install electromagnetic lock, temperature and humidity
The equipment such as controller, heater, radiator fan, to guarantee the safe operation of cabinet.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit this foregoing is merely specific embodiment of the present utility model
The protection scope of utility model, within the spirit and principle of the utility model, any modification for being made, changes equivalent replacement
Into etc., it should all contain and be within the protection scope of the utility model.
Claims (4)
1. a kind of Combined electric capacity compensates cabinet, including three groups of capacitor compensation cabinets and power factor controller in parallel, feature
Be: capacitor compensation cabinet described in every group includes relay, voltage transformer, fuse, capacitor, reactor and grounding switch,
The relay connects fuse by voltage transformer, and the other end of fuse connects capacitor, and the other end of capacitor connects
Ground disconnecting link, the reactor is in parallel with fuse and capacitor, and the power factor controller connects capacitor compensation cabinet, for controlling
The on-off of relay in every group of capacitor compensation cabinet.
2. Combined electric capacity according to claim 1 compensates cabinet, it is characterised in that: the difference of capacitor compensation cabinet described in every group
Capacitor for first capacitor compensating cabinet, the second capacitor compensation cabinet and third capacitive compensator, the first capacitor compensating cabinet is
First parallel three phase capacitor, combination capacitor value are 102kvar；The capacitor of second capacitor compensation cabinet is the second parallel three phase
Capacitor, combination capacitor value are 201kvar；The capacitor of the third capacitor compensation cabinet is third parallel three phase capacitor, combination electricity
Capacitance is 402kvar.
3. Combined electric capacity according to claim 1 compensates cabinet, it is characterised in that: capacitor compensation cabinet described in every group also wraps
Arrester is included, the arrester is connected between fuse and voltage transformer, is used for lightning protection.
4. Combined electric capacity according to claim 2 compensates cabinet, it is characterised in that: the first capacitor compensating cabinet is equipped with
End of incoming cables, and end of incoming cables is equipped with master switch, described master switch one end is connected with relay, and the other end connects feeder cabinet switch, uses
In the connection of control combination formula capacitance compensation cabinet and external feeder cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822254177.0U CN209119821U (en) | 2018-12-29 | 2018-12-29 | A kind of Combined electric capacity compensation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822254177.0U CN209119821U (en) | 2018-12-29 | 2018-12-29 | A kind of Combined electric capacity compensation cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209119821U true CN209119821U (en) | 2019-07-16 |
Family
ID=67208983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822254177.0U Active CN209119821U (en) | 2018-12-29 | 2018-12-29 | A kind of Combined electric capacity compensation cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209119821U (en) |
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2018
- 2018-12-29 CN CN201822254177.0U patent/CN209119821U/en active Active
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