CN209656812U - A kind of transient recovery voltage and reactor, which shunt, shares regulating device - Google Patents
A kind of transient recovery voltage and reactor, which shunt, shares regulating device Download PDFInfo
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- CN209656812U CN209656812U CN201920143009.6U CN201920143009U CN209656812U CN 209656812 U CN209656812 U CN 209656812U CN 201920143009 U CN201920143009 U CN 201920143009U CN 209656812 U CN209656812 U CN 209656812U
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Abstract
The utility model provides a kind of transient recovery voltage and reactor shunts and shares regulating device, unit is adjusted including three-phase, it includes universal change-over switch that every phase, which adjusts unit, universal change-over switch has resistance adjustment shelves r, cross oscillation coefficient adjustment shelves f- γ, capacitance adjustment shelves c tri- switches, r gear switch both ends corresponding first, two-terminal, f- γ gear switch both ends correspond to third, four terminals, c gear switch both ends the corresponding 5th, six terminals, resistance one end connects third, five terminals, the resistance other end connects first terminal and inductance one end, the inductance other end connects adjustable resistance one end and tunable capacitor one end, adjustable resistance other end connection second, four terminals, the tunable capacitor other end connects the 6th terminal.The utility model has the function of that reactor shunts and transient recovery voltage adjusts two simultaneously, selects required function by universal change-over switch, flexible adjustment is convenient；Cost has been saved while meeting testing requirement, has saved space, and more compact structure is reasonable.
Description
Technical field
The utility model relates to a kind of transient recovery voltages that can satisfy to adjust and two functions of reactor shunt regulating
Device belongs to low-voltage electrical apparatus detection technique field.
Background technique
Low-voltage electrical apparatus is widely used in electrical power trans mission/distribution system, carries the task of electric power safety conveying.GB/14048.1-2012
In " low voltage switch equipment and control equipment part 1: general provisions ", (1) 8.3.3.5.2d regulation: any air reactor is answered
Parallel shunt resistance, shunting value about pass through the 0.6% of the electric current of reactor；(2) 8.3.3.5.3 is provided: including to simulate
The circuit condition of independent motor load, load circuit need to adjust frequency of oscillation f and cross oscillation coefficient gamma.
Currently, many researchs existing for power supply transient recovery voltage characteristic, but be mostly that electricity individually is restored to transient state
Pressure is adjusted and individually shunt resistance is adjusted.In engineer application, need to buy two sets of equipment, not only occupied space
Greatly, and it is at high cost.
Utility model content
Technical problem to be solved by the utility model is: how to meet shunt resistance adjusting and transient recovery voltage adjusting
While demand, save the cost and space.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is to provide a kind of transient recovery voltage and reactance
Device, which shunts, shares regulating device, it is characterised in that: adjusts unit including A, B, C three-phase, every phase adjusting cellular construction is identical, wraps
Include resistance R, inductance L, adjustable resistance R1, tunable capacitor C and universal change-over switch；
The universal change-over switch has resistance adjustment shelves r, crosses oscillation coefficient adjustment shelves f- γ, capacitance adjustment shelves c tri-
Switch, wherein the both ends of r gear switch respectively correspond first terminal and Second terminal, and the both ends of f- γ gear switch respectively correspond the
Three terminals and forth terminal, the both ends of c gear switch respectively correspond the 5th terminal and the 6th terminal, and the one end resistance R connects third end
Son and the 5th terminal, the resistance R other end connect first terminal and the one end inductance L, and the inductance L other end connects the one end adjustable resistance R1
With the one end tunable capacitor C, the adjustable resistance R1 other end connects Second terminal and forth terminal, tunable capacitor C other end connection the
Six terminals.
Preferably, when frequency of oscillation is adjusted, c gear switch is in closed state, and f- γ gear switch is in an off state, and r grades
Switch is in an off state.
Preferably, when crossing oscillation coefficient adjustment, f- γ gear switch is in closed state, and r gear switch is in closed state, c
Gear switch is in an off state.
Preferably, when reactor shunt regulating, r gear switch is in closed state, and c gear switch is in an off state, f- γ
Gear switch is in an off state.
Shunt resistance adjustment equipment and transient recovery voltage adjustment equipment are integrated in one by device provided by the utility model
It rises, it is that transient recovery voltage adjusting device and reactor part flow arrangement share that wherein adjustable resistance, which is connected in parallel on reactor both ends, can
To meet, reactor is shunted and transient recovery voltage adjusts two functions.
Device provided by the utility model overcomes the deficiencies in the prior art, while having reactor shunt regulating and transient state
Restore voltage and adjust two functions, required function is selected by universal change-over switch, flexible adjustment is convenient；Meeting testing requirement
Cost has been saved simultaneously, has saved space, more compact structure is reasonable.
Detailed description of the invention
Fig. 1 is that transient recovery voltage provided in this embodiment and reactor shunt and share regulating device schematic diagram.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.
The load of AC low-tension electrical testing is A, B, C threephase load, and the impedance of each phase load is by resistance and inductance string
Connection composition.
Fig. 1 is that transient recovery voltage provided in this embodiment and reactor shunt and share regulating device schematic diagram, this is practical
Novel transient recovery voltage and reactor shunt shared regulating device and are divided into A, B, C three-phase adjusting unit, respectively correspond and detect back
The threephase load on road.A, the structure of B, C three-phase adjusting unit is identical, and each phase includes the resistance R and inductance L being arranged in series,
Adjustable resistance R1 can choose by universal change-over switch is connected in parallel on the both ends inductance L or resistance R and inductance L connects the whole series to be formed
Impedance both ends, tunable capacitor C are connected in parallel on a whole set of impedance both ends.
That is: universal change-over switch has tri- f- γ, r, c gears, and wherein the both ends of r gear switch respectively correspond first terminal
1 and Second terminal 2, the both ends of f- γ gear switch respectively correspond third terminal 3 and forth terminal 4, the both ends of c gear switch are right respectively
The 5th terminal 5 and the 6th terminal 6 are answered, the one end resistance R connects third terminal 3 and the 5th terminal 5, resistance R other end connection first
Terminal 1 and the one end inductance L, the inductance L other end connects the one end adjustable resistance R1 and the one end tunable capacitor C, adjustable resistance R1 are another
End connection Second terminal 2 and forth terminal 4, the tunable capacitor C other end connect the 6th terminal 6.
The one end resistance R connects input terminal, and the inductance L other end connects output end.
It is specific as follows:
R grades: i.e. universal change-over switch resistance adjustment shelves, first terminal 1 is connected with Second terminal 2 at this time, adjustable resistance R1
The both ends inductance L are connected in parallel on, it can be achieved that inductance diverter function；
γ grades of f-: i.e. universal change-over switch crosses oscillation coefficient adjustment shelves, and third terminal 3 is connected with forth terminal 4 at this time, the
Five terminals 5 are connected with the 6th terminal 6, and adjustable resistance R1, tunable capacitor C are connected in parallel on a whole set of impedance both ends respectively, realize oscillation
The adjusting of coefficient；
C grades: i.e. universal change-over switch capacitance adjustment shelves: the 5th terminal 5 is connected with the 6th terminal 6 at this time, and tunable capacitor C is simultaneously
Be associated in a whole set of impedance both ends, it can be achieved that frequency of oscillation adjusting.
To sum up, transient recovery voltage and reactor provided in this embodiment, which shunt, shares regulating device setting f- γ, r, c tri-
A gear gets to c grades, at this point, only tunable capacitor C is connected in parallel on impedance both ends when adjusting frequency of oscillation f；Adjusted oscillation system
When number γ, γ grades of f- are got to, at this point, tunable capacitor C and adjustable resistance R1 are connected in parallel on impedance both ends；If inductance is used alone
Part flow arrangement then gets to r grades, at this point, adjustable resistance R1 resistor coupled in parallel is at the both ends inductance L.
Although it should be understood that herein may usage amount term " first ", " second " etc. each unit is described,
But these units should not be limited by these terms.The use of these items is only for by a unit and another unit
It distinguishes.For example, without departing substantially from the range of exemplary embodiment, it is single that first unit can be referred to as second
Member, and similarly second unit can be referred to as first unit.
The above, the only preferred embodiment of the utility model, it is in any form and substantive not to the utility model
On limitation, it is noted that for those skilled in the art, in the premise for not departing from the utility model method
Under, several improvement and supplement can be also made, these are improved and supplement also should be regarded as the protection scope of the utility model.It is all ripe
Professional and technical personnel is known, in the case where not departing from the spirit and scope of the utility model, when using disclosed above
Technology contents and the equivalent variations of a little variation, modification and evolution made, be the equivalent embodiment of the utility model；Together
When, all substantial technologicals according to the utility model to the variation, modification and evolution of any equivalent variations made by above-described embodiment,
In the range of still falling within the technical solution of the utility model.
Claims (4)
1. a kind of transient recovery voltage and reactor, which shunt, shares regulating device, it is characterised in that: adjusted including A, B, C three-phase single
Member, it includes resistance R, inductance L, adjustable resistance R1, tunable capacitor C and universal change-over switch that every phase adjusting cellular construction is identical；
The universal change-over switch has resistance adjustment shelves r, crosses oscillation coefficient adjustment shelves f- γ, capacitance adjustment shelves c tri- switches,
Wherein, the both ends of r gear switch respectively correspond first terminal (1) and Second terminal (2), and the both ends of f- γ gear switch respectively correspond
Three terminals (3) and forth terminal (4), the both ends of c gear switch respectively correspond the 5th terminal (5) and the 6th terminal (6), resistance R mono-
End connection third terminal (3) and the 5th terminal (5), the resistance R other end connects first terminal (1) and the one end inductance L, inductance L are another
One end connects the one end adjustable resistance R1 and the one end tunable capacitor C, and the adjustable resistance R1 other end connects Second terminal (2) and the 4th end
Sub (4), the tunable capacitor C other end connect the 6th terminal (6).
2. a kind of transient recovery voltage as described in claim 1 and reactor shunt and share regulating device, it is characterised in that: vibration
When swinging frequency adjusting, c gear switch is in closed state, and f- γ gear switch is in an off state, and r gear switch is in an off state.
3. a kind of transient recovery voltage as described in claim 1 and reactor shunt and share regulating device, it is characterised in that: mistake
When vibrating coefficient adjustment, f- γ gear switch is in closed state, and r gear switch is in closed state, and c gear switch, which is in, disconnects shape
State.
4. a kind of transient recovery voltage as described in claim 1 and reactor shunt and share regulating device, it is characterised in that: electricity
When anti-device shunt regulating, r gear switch is in closed state, and c gear switch is in an off state, and f- γ gear switch, which is in, disconnects shape
State.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920143009.6U CN209656812U (en) | 2019-01-28 | 2019-01-28 | A kind of transient recovery voltage and reactor, which shunt, shares regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920143009.6U CN209656812U (en) | 2019-01-28 | 2019-01-28 | A kind of transient recovery voltage and reactor, which shunt, shares regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209656812U true CN209656812U (en) | 2019-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920143009.6U Active CN209656812U (en) | 2019-01-28 | 2019-01-28 | A kind of transient recovery voltage and reactor, which shunt, shares regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209656812U (en) |
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2019
- 2019-01-28 CN CN201920143009.6U patent/CN209656812U/en active Active
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