CN106324464A - Thyristor valve synthetic test circuit and thyristor valve synthetic test method - Google Patents
Thyristor valve synthetic test circuit and thyristor valve synthetic test method Download PDFInfo
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- CN106324464A CN106324464A CN201510397063.XA CN201510397063A CN106324464A CN 106324464 A CN106324464 A CN 106324464A CN 201510397063 A CN201510397063 A CN 201510397063A CN 106324464 A CN106324464 A CN 106324464A
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Abstract
Embodiments of the invention provide a thyristor valve synthetic test circuit and a thyristor valve synthetic test method. The circuit comprises a voltage source loop which is used for controlling the working state of electronic elements in the voltage source loop according to the type of a sample valve in an accessed sample and providing a test voltage for the sample, and current source loops which are used for controlling the working state of electronic elements in the current source loops according to the type of the sample valve in the accessed sample and providing a test current for the sample, wherein the sample valve may be a one-way thyristor valve or a two-way thyristor valve.
Description
Technical field
The present invention relates to field of power electronics, particularly relate to a kind of IGCT compounding testing circuit and method.
Background technology
Thyristor valve includes check valve and two-way valve.During generally unidirectionally valve is operated in meritorious circuit, it is achieved power
Transmission.Two-way valve is then generally used for carrying out without for compensating.Two-way valve can be real under the effect of sinusoidal voltage
Existing two-way admittance, check valve is then only capable of realizing one-way conduction.
D.C. high voltage transmission (High Voltage Direct Current Transmission, HVDC) valve is allusion quotation
The check valve of type.SVC (Static Var Compensator, SVC) valve is the most two-way
Valve.
In order to ensure the normal work of thyristor valve institute operating circuit, before thyristor valve is come into operation,
Need thyristor valve is made a service test.But when implementing, find for thyristor valve test
Circuit relatively complicated, utilization rate is low and hardware cost is high.
Summary of the invention
In view of this, the embodiment of the present invention expects that providing one at least partly can reduce thyristor valve tests into
This thyristor valve compounding testing circuit and method.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that: the embodiment of the present invention provides one
Planting thyristor valve compounding testing circuit, described circuit includes:
Voltage source loop, for the type according to the test product valve being access in test product, controls described voltage source and returns
Electronic component duty in road, provides test voltage for described test product；Wherein, the type of described test product valve
Including the check valve in thyristor valve and two-way valve；
Current source loop, is access in the type of described test product valve, controls in described voltage source loop for basis
Electronic component duty, provides test current for described test product.
Based on such scheme, described test product includes test product valve Vt and stray capacitance Ct；Wherein, described test product
Valve Vt is described check valve or two-way valve；
Described voltage source loop includes: transformator T2, rectifier bridge U3, auxiliary Controlled Reactor L1, auxiliary
Controlled Reactor L2, auxiliary Controlled Reactor L3, auxiliary capacitor C1, auxiliary capacitor C2, auxiliary
Valve Va2, auxiliary valve Va3, auxiliary valve Va4, auxiliary valve Va5 and auxiliary valve Va6；
The primary side access system bus of described transformator T2, secondary side intersects with the three of described rectifier bridge U3
Stream end is connected；
The common cathode outfan of described rectifier bridge U3 is connected with auxiliary Controlled Reactor L3 one end；
The high-pressure side of the described auxiliary Controlled Reactor L3 other end and auxiliary capacitor C2 and described auxiliary valve
The anode tap of Va2 connects together；
The cathode terminal of described auxiliary valve Va2, the cathode terminal of described auxiliary valve Va5, described auxiliary valve Va6
Anode tap, one end of described auxiliary Controlled Reactor L2 link together；
The other end of described auxiliary Controlled Reactor L2, the high-pressure side of described auxiliary capacitor C1, described auxiliary
The anode tap of valve Va3, the cathode terminal of described auxiliary valve Va4 is helped to connect together；
Described auxiliary Controlled Reactor L1 one end, the cathode terminal of described auxiliary valve Va3, described auxiliary valve Va4
Anode tap connect together；
The described auxiliary Controlled Reactor L1 other end, the anode tap of described test product valve Vt, stray capacitance Ct
High-pressure side connect together；
The common cathode outfan of described rectifier bridge U3, described auxiliary capacitor C2 low-pressure end, described auxiliary valve
The anode tap of Va5, the cathode terminal of described auxiliary valve Va6, described auxiliary capacitor C1 low-pressure end, described miscellaneous
The low-pressure end of spurious capacitance Ct and the cathode terminal of described test product valve Vt connect together and ground connection；
Wherein, when described test product valve Vt is check valve, described auxiliary valve Va6 is in off working state；When
When described auxiliary valve Va6 is two-way valve, described auxiliary valve Va6 is in running order.
Based on such scheme, described auxiliary valve Va3 and described auxiliary valve Va4 is separate check valve；
Or,
Described auxiliary valve Va3 and described auxiliary valve Va4 collectively constitutes a two-way inverse parallel valve.
Based on such scheme, described auxiliary valve Va5 and described auxiliary valve Va6 is separate check valve；
Or,
Described auxiliary valve Va5 and described auxiliary valve Va6 collectively constitutes a two-way inverse parallel valve.
Based on such scheme, described current source loop includes: transformator T1-1, Controlled Reactor Lx1-1,
Controlled Reactor Lx2-1, Controlled Reactor Lx3-1, rectifier bridge U1, flat ripple Controlled Reactor SR1, every
From valve Va0, isolating valve Va1, switching device FK1-1 to switching device FK8-1；
Described rectifier bridge U1 includes valve V1-1, valve V2-1, valve V3-1, valve V4-1, valve V5-1 and valve
V6-1；
The primary side equal access system bus of described transformator T1-1, secondary side A phase leading-out terminal and phased electricity
One end of anti-device Lx1-1 and one end of described switching device FK2-1 link together；
The other end of described Controlled Reactor Lx1-1, the other end of described switching device FK2-1, derailing switch
One end of part FK5-1, one end of switching device FK6-1, one end of switching device FK7-1 link together；
The other end of described switching device FK5-1 links together with the anode tap of described valve V1-1；
The other end of described switching device FK6-1 links together with the cathode terminal of described valve V4-1；
Secondary side B phase leading-out terminal, one end of described Controlled Reactor Lx2-1 and the institute of described transformator T1-1
The one end stating switching device FK3-1 links together；
The other end of described Controlled Reactor Lx2-1, the other end of described switching device FK3-1, described valve
The anode tap of V3-1, the cathode terminal of described valve V6-1 link together；
Secondary side C phase leading-out terminal, one end of described Controlled Reactor Lx3-1 and the institute of described transformator T1-1
The one end stating switching device FK4-1 links together；
The other end of described Controlled Reactor Lx3-1, the other end of described switching device FK4-1, described valve
The anode tap of V5-1, the cathode terminal of described valve V2-1 link together；
One end of switching device FK8-1, one end of described flat ripple Controlled Reactor SR1, described valve V1-1
Cathode terminal, the cathode terminal of described valve V3-1, the cathode terminal of described valve V5-1 be connected with each other, and connect
Ground；
The other end of described switching device FK8-1, the other end of described flat ripple Controlled Reactor SR1, described
The anode tap of valve V4-1, the anode tap of described valve V6-1, the anode tap of described valve V2-1 are interconnected in one mutually
Rise；
The neutral point of the secondary side Y shape winding of transformator T1-1 can pass through described switching device FK1-1 ground connection；
Wherein, when described test product valve Vt is check valve, described switching device FK1-1, described switch are opened
Device FK5-1, described switching device FK8-1, close described switching device FK2-1, described switching device
FK3-1, described switching device FK4-1, described switching device FK6-1 and described switching device FK7-1；
When described test product valve Vt is two-way valve, open described switching device FK2-1, described switching device
FK3-1, described switching device FK4-1, described switching device FK5-1, FK6-1, FK10, FK11, close
Upper described switching device FK1-1, described switching device FK8-1 and described switching device FK7-1；And institute
State isolating valve Va1 described in the two ends reverse parallel connection of isolating valve Va0.
Based on such scheme, described circuit includes the described current source loop of multiple parallel connection.
Based on such scheme, described switching device is connection busbar.
Based on such scheme, enclosing mutually of described Controlled Reactor the most at least includes two adjustable stages, is used for
The level connected by adjustment, meets the current needs testing described test product.
The embodiment of the present invention also provides for a kind of thyristor valve synthetic test method, and described method includes:
According to the type of the test product valve being access in test product, control electronic component duty in voltage source loop,
Test voltage is provided for described test product；Wherein, the type of described test product valve includes the check valve in thyristor valve
And two-way valve；
According to being access in the type of described test product valve, control electronic component duty in voltage source loop, for
Described test product provides test current.
Based on such scheme, described test product includes test product valve Vt and stray capacitance Ct；Wherein, described test product
Valve Vt is described check valve or two-way valve；
Described voltage source loop includes: transformator T2, rectifier bridge U3, auxiliary Controlled Reactor L1, auxiliary
Controlled Reactor L2, auxiliary Controlled Reactor L3, auxiliary capacitor C1, auxiliary capacitor C2, auxiliary
Valve Va2, auxiliary valve Va3, auxiliary valve Va4, auxiliary valve Va5 and auxiliary valve Va6；
The primary side access system bus of described transformator T2, secondary side intersects with the three of described rectifier bridge U3
Stream end is connected；
The common cathode outfan of described rectifier bridge U3 is connected with auxiliary Controlled Reactor L3 one end；
The high-pressure side of the described auxiliary Controlled Reactor L3 other end and auxiliary capacitor C2 and described auxiliary valve
The anode tap of Va2 connects together；
The cathode terminal of described auxiliary valve Va2, the cathode terminal of described auxiliary valve Va5, described auxiliary valve Va6
Anode tap, one end of described auxiliary Controlled Reactor L2 link together；
The other end of described auxiliary Controlled Reactor L2, the high-pressure side of described auxiliary capacitor C1, described auxiliary
The anode tap of valve Va3, the cathode terminal of described auxiliary valve Va4 is helped to connect together；
Described auxiliary Controlled Reactor L1 one end, the cathode terminal of described auxiliary valve Va3, described auxiliary valve Va4
Anode tap connect together；
The described auxiliary Controlled Reactor L1 other end, the anode tap of described test product valve Vt, stray capacitance Ct
High-pressure side connect together；
The common cathode outfan of described rectifier bridge U3, described auxiliary capacitor C2 low-pressure end, described auxiliary valve
The anode tap of Va5, the cathode terminal of described auxiliary valve Va6, described auxiliary capacitor C1 low-pressure end, described miscellaneous
The low-pressure end of spurious capacitance Ct and the cathode terminal of described test product valve Vt connect together and ground connection；
The type of the test product valve that described basis is access in test product, controls electronic component work in voltage source loop
State, provides test voltage for described test product, including:
When described test product valve Vt is check valve, described auxiliary valve Va6 is in off working state；When described auxiliary
When to help valve Va6 be two-way valve, described auxiliary valve Va6 is in running order.
Based on such scheme, described current source loop includes: transformator T1-1, Controlled Reactor Lx1-1,
Controlled Reactor Lx2-1, Controlled Reactor Lx3-1, rectifier bridge U1, flat ripple Controlled Reactor SR1, every
From valve Va0, isolating valve Va1, switching device FK1-1 to switching device FK8-1；
Described rectifier bridge U1 includes valve V1-1, valve V2-1, valve V3-1, valve V4-1, valve V5-1 and valve
V6-1；
The primary side equal access system bus of described transformator T1-1, secondary side A phase leading-out terminal and phased electricity
One end of anti-device Lx1-1 and one end of described switching device FK2-1 link together；
The other end of described Controlled Reactor Lx1-1, the other end of described switching device FK2-1, derailing switch
One end of part FK5-1, one end of switching device FK6-1, one end of switching device FK7-1 link together；
The other end of described switching device FK5-1 links together with the anode tap of described valve V1-1；
The other end of described switching device FK6-1 links together with the cathode terminal of described valve V4-1；
Secondary side B phase leading-out terminal, one end of described Controlled Reactor Lx2-1 and the institute of described transformator T1-1
The one end stating switching device FK3-1 links together；
The other end of described Controlled Reactor Lx2-1, the other end of described switching device FK3-1, described valve
The anode tap of V3-1, the cathode terminal of described valve V6-1 link together；
Secondary side C phase leading-out terminal, one end of described Controlled Reactor Lx3-1 and the institute of described transformator T1-1
The one end stating switching device FK4-1 links together；
The other end of described Controlled Reactor Lx3-1, the other end of described switching device FK4-1, described valve
The anode tap of V5-1, the cathode terminal of described valve V2-1 link together；
One end of switching device FK8-1, one end of described flat ripple Controlled Reactor SR1, described valve V1-1
Cathode terminal, the cathode terminal of described valve V3-1, the cathode terminal of described valve V5-1 be connected with each other, and connect
Ground；
The other end of described switching device FK8-1, the other end of described flat ripple Controlled Reactor SR1, described
The anode tap of valve V4-1, the anode tap of described valve V6-1, the anode tap of described valve V2-1 are interconnected in one mutually
Rise；
The neutral point of the secondary side Y shape winding of transformator T1-1 can pass through described switching device FK1-1 ground connection；
Described basis is access in the type of described test product valve, controls electronic component duty in voltage source loop,
Test current is provided for described test product, including:
When described test product valve Vt is check valve, open described switching device FK1-1, described switching device
FK5-1, described switching device FK8-1, the described switching device FK2-1 that closes, described switching device FK3-1,
Described switching device FK4-1, described switching device FK6-1 and described switching device FK7-1；
When described test product valve Vt is two-way valve, open described switching device FK2-1, described switching device
FK3-1, described switching device FK4-1, described switching device FK5-1, FK6-1, FK10, FK11, close
Upper described switching device FK1-1, described switching device FK8-1 and described switching device FK7-1；And institute
State isolating valve Va1 described in the two ends reverse parallel connection of isolating valve Va0.
Thyristor valve compounding testing circuit and method described in the embodiment of the present invention, it is possible to by voltage source loop and
Current source loop controls the duty of its internal electronic devices and components respectively, realizes respectively to as unidirectional
The test product valve of valve or two-way valve provides corresponding test voltage and test current；Achieve a kind of hookup to use
Test in dissimilar thyristor valve, it is achieved that being combined of the hookup of different types of thyristor valve,
And then improve the utilization rate of each electronic devices and components in hookup, reduce needed for hookup is set
Hardware cost.
Accompanying drawing explanation
Fig. 1 is the attachment structure signal of the thyristor valve compounding testing circuit described in the embodiment of the present invention and test product
Figure；
Fig. 2 is the structural representation in the voltage source loop described in the embodiment of the present invention；
Fig. 3 is the structural representation in the voltage source loop described in the embodiment of the present invention；
Fig. 4 is the electricity of the thyristor valve compounding testing circuit described in the embodiment of the present invention described in the embodiment of the present invention
Line structure schematic diagram；
Fig. 5 be described in the embodiment of the present invention thyristor valve compounding testing circuit test check valve time be in work
Make the electrical block diagram of the electronic element of state；
Fig. 6 be described in the embodiment of the present invention thyristor valve compounding testing circuit test check valve time be in work
Make the electrical block diagram of the electronic element of state；
Fig. 7 is the schematic flow sheet of the IGCT synthetic test method described in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment technical scheme done and further explain in detail
State.
Apparatus embodiments:
As it is shown in figure 1, the present embodiment provides a kind of thyristor valve compounding testing circuit, described circuit includes:
Voltage source loop 110, for the type according to the test product valve being access in test product, controls described voltage
Electronic component duty in resource loop, provides test voltage for described test product；Wherein, described test product valve
Type includes the check valve in thyristor valve and two-way valve；
Current source loop 120, is access in the type of described test product valve, controls described voltage source and return for basis
Electronic component duty in road, provides test current for described test product.
IGCT compounding testing circuit described in the present embodiment, described voltage source loop 110 and current source
The duty of the electronic component in loop 120, can send change according to the type of described test product valve, so
If, it becomes possible to the voltage and current needed for check valve and two-way valve is provided respectively.Like this, it becomes possible to
By a described IGCT compounding testing circuit, by controlling voltage source loop 110 and current source loop 120
In duty, it is achieved to check valve and the test of two-way valve, it is achieved thereby that voltage source loop 110 He
The multiplexing in current source loop 120, improves the utilization rate of each electronic element in compounding testing circuit, reduces
Hardware cost to thyristor valve test.
Described test product includes test product valve Vt and stray capacitance Ct；Wherein, described test product valve Vt is described unidirectional
Valve or two-way valve.
As in figure 2 it is shown, described voltage source loop 110 includes: transformator T2, rectifier bridge U3, auxiliary phase
Control reactor L1, auxiliary Controlled Reactor L2, auxiliary Controlled Reactor L3, auxiliary capacitor C1, auxiliary
Help capacitor C2, auxiliary valve Va2, auxiliary valve Va3, auxiliary valve Va4, auxiliary valve Va5 and auxiliary valve Va6.
The primary side access system bus of described transformator T2, secondary side intersects with the three of described rectifier bridge U3
Stream end is connected；
The common cathode outfan of described rectifier bridge U3 is connected with auxiliary Controlled Reactor L3 one end；Described auxiliary
The Controlled Reactor L3 other end connects with the high-pressure side of auxiliary capacitor C2 and the anode tap of described auxiliary valve Va2
Together；
The cathode terminal of described auxiliary valve Va2, the cathode terminal of described auxiliary valve Va5, described auxiliary valve Va6
Anode tap, one end of described auxiliary Controlled Reactor L2 link together；
The other end of described auxiliary Controlled Reactor L2, the high-pressure side of described auxiliary capacitor C1, described auxiliary
The anode tap of valve Va3, the cathode terminal of described auxiliary valve Va4 is helped to connect together；
Described auxiliary Controlled Reactor L1 one end, the cathode terminal of described auxiliary valve Va3, described auxiliary valve Va4
Anode tap connect together；
The described auxiliary Controlled Reactor L1 other end, the anode tap of described test product valve Vt, stray capacitance Ct
High-pressure side connect together；
The common cathode outfan of described rectifier bridge U3, described auxiliary capacitor C2 low-pressure end, described auxiliary valve
The anode tap of Va5, the cathode terminal of described auxiliary valve Va6, described auxiliary capacitor C1 low-pressure end, described miscellaneous
The low-pressure end of spurious capacitance Ct and the cathode terminal of described test product valve Vt connect together and ground connection；
Wherein, when described test product valve Vt is check valve, described auxiliary valve Va6 is in off working state；When
When described auxiliary valve Va6 is two-way valve, described auxiliary valve Va6 is in running order.
The most described auxiliary valve Va5 and auxiliary valve Va6 reverse parallel connection.As described test product valve Vt
For check valve, it is only necessary to described check valve can the positive polarity voltage of conducting direction and bucking voltage, with regard to energy
Complete the test to described check valve.If but described test product valve is two-way valve, described two-way valve is just applying
Can turn on to voltage and backward voltage, like this, need just separately verifying each sense of current
To polar voltages and reverse polarity voltage.In order to realize this purpose, the most described voltage source circuit
Auxiliary valve Va6 is added in 110.Described auxiliary valve Va5 and auxiliary valve Va6 is to being turned on and off
Two states.When described test product valve is check valve, described auxiliary valve Va6 is in off working state, the most not
Participate in described voltage source circuit 110 and the signal processing of test voltage is provided to test product.If but described test product valve
During for two-way valve, described Va6 is in running order, will participate in providing test voltage to test product.In this enforcement
Auxiliary valve Va6 described in example and auxiliary valve Va5 reverse parallel connection, like this, can meet two-way valve two-way
The positive polarity voltage of conducting and the performance test of bucking voltage.
Check valve described in the present embodiment can be described HVDC valve, and described two-way valve can be SVC valve.
Described in the present embodiment, voltage source circuit 110 has simple in construction in a word, it is possible to easy according to controlling institute
State the duty of auxiliary valve Va6, realize providing test voltage to two-way valve or check valve simultaneously.
The most described auxiliary valve Va3 and described auxiliary valve Va4 is separate check valve.But institute
State auxiliary valve Va3 and described auxiliary valve Va4 and can also collectively constitute a two-way inverse parallel valve, substitute mutually
Auxiliary valve Va3 and auxiliary valve Va4 for independent check valve.
Certainly, described auxiliary valve Va5 and described auxiliary valve Va6 is separate check valve；Described auxiliary
Valve Va5 and described auxiliary valve Va6 can also collectively constitute a two-way inverse parallel valve.
As it is shown on figure 3, described current source loop 110 includes: transformator T1-1, Controlled Reactor Lx1-1,
Controlled Reactor Lx2-1, Controlled Reactor Lx3-1, rectifier bridge U1, flat ripple Controlled Reactor SR1, every
From valve Va0, isolating valve Va1, switching device FK1-1 to switching device FK8-1；
Described rectifier bridge U1 includes valve V1-1, valve V2-1, valve V3-1, valve V4-1, valve V5-1 and valve
V6-1；
The primary side equal access system bus of described transformator T1-1, secondary side A phase leading-out terminal and phased electricity
One end of anti-device Lx1-1 and one end of described switching device FK2-1 link together；
The other end of described Controlled Reactor Lx1-1, the other end of described switching device FK2-1, derailing switch
One end of part FK5-1, one end of switching device FK6-1, one end of switching device FK7-1 link together；
The other end of described switching device FK5-1 links together with the anode tap of described valve V1-1；
The other end of described switching device FK6-1 links together with the cathode terminal of described valve V4-1；
Secondary side B phase leading-out terminal, one end of described Controlled Reactor Lx2-1 and the institute of described transformator T1-1
The one end stating switching device FK3-1 links together；
The other end of described Controlled Reactor Lx2-1, the other end of described switching device FK3-1, described valve
The anode tap of V3-1, the cathode terminal of described valve V6-1 link together；
Secondary side C phase leading-out terminal, one end of described Controlled Reactor Lx3-1 and the institute of described transformator T1-1
The one end stating switching device FK4-1 links together；
The other end of described Controlled Reactor Lx3-1, the other end of described switching device FK4-1, described valve
The anode tap of V5-1, the cathode terminal of described valve V2-1 link together；
One end of switching device FK8-1, one end of described flat ripple Controlled Reactor SR1, described valve V1-1
Cathode terminal, the cathode terminal of described valve V3-1, the cathode terminal of described valve V5-1 be connected with each other, and connect
Ground；
The other end of described switching device FK8-1, the other end of described flat ripple Controlled Reactor SR1, described
The anode tap of valve V4-1, the anode tap of described valve V6-1, the anode tap of described valve V2-1 are interconnected in one mutually
Rise；
The neutral point of the secondary side Y shape winding of transformator T1-1 can pass through described switching device FK1-1 ground connection；
Wherein, when described test product valve Vt is check valve, described switching device FK1-1, described switch are opened
Device FK5-1, described switching device FK8-1, close described switching device FK2-1, described switching device
FK3-1, described switching device FK4-1, described switching device FK6-1 and described switching device FK7-1；
When described test product valve Vt is two-way valve, open described switching device FK2-1, described switching device
FK3-1, described switching device FK4-1, described switching device FK5-1, FK6-1, FK10, FK11, close
Upper described switching device FK1-1, described switching device FK8-1 and described switching device FK7-1；And institute
State isolating valve Va1 described in the two ends reverse parallel connection of isolating valve Va0.
Introducing multiple switching device in the present embodiment, these switching devices can be unidirectional according to test product valve
Valve or two-way valve, described current source loop specifically for the on and off by controlling these switching devices,
Can be achieved with providing the test current needed for check valve or two-way valve.
Switching device described in the present embodiment can be various types of switching device, in the present embodiment described in open
Close device and all use connection bus.Connect bus be that one is capable of switching function, the most cheap and
Constitute the switching device of low cost.
The most described current source loop 120 and voltage source loop 110 all use transformator to realize
Three phase supply.Described real product valve Vt, isolating valve Va0 and isolating valve Va1, respectively with a phase for being electrically connected,
This makes it possible to the instability avoiding causing power supply imbalance to cause to system busbar.
Described circuit includes the described current source loop of multiple parallel connection.Returned by the described current source of multiple parallel connections
Road can be provided that bigger test current, the most as shown in Figure 4, described thyristor valve compounding testing circuit bag
Include 2 current source loops, be current source loop 121 and current source loop 122 respectively.
In the diagram in addition to current source loop as shown in Figure 3, also add the current source loop of parallel connection
122.Described current source loop 122 includes: described current source loop includes: transformator T1-1, phased electricity
Anti-device Lx1-2, Controlled Reactor Lx2-2, Controlled Reactor Lx3-2, rectifier bridge U2, the phased reactance of flat ripple
Device SR2, isolating valve Va0, isolating valve Va1, switching device FK2-1 are to switching device FK2-8.
Described rectifier bridge U2 includes valve V1-2, valve V2-2, valve V3-2, valve V4-2, valve V5-2 and valve
V6-2。
In current source loop 122, the primary side equal access system bus of transformator T1-2, transformator T1-2
Secondary side A phase leading-out terminal be connected with one end, one end of switching device FK2-2 of Controlled Reactor Lx1-2
Together.
The other end of Controlled Reactor Lx1-2, the other end of switching device FK2-2, switching device FK5-2
One end, one end of switching device FK6-2, one end of switching device FK7-2 link together.
The other end of switching device FK5-2 and the anode tap of valve V1-2 link together, switching device FK6-2
The cathode terminal of the other end and valve V4-2 link together.
The secondary side B phase leading-out terminal of transformator T1-2 and one end of Controlled Reactor Lx2-2, switching device
One end of FK3-2 links together.
The other end of Controlled Reactor Lx2-2, the other end of switching device FK3-2, the anode of valve V3-2
End, the cathode terminal of V6-2 link together.
The secondary side C phase leading-out terminal of transformator T1-2 and one end of Controlled Reactor Lx3-2, switching device
One end of FK4-2 links together.
The other end of Controlled Reactor Lx3-2, the other end of switching device FK4-2, the anode of valve V5-2
End, the cathode terminal of V2-2 link together, one end of switching device FK8-2, Controlled Reactor SR2
One end, the cathode terminal of valve V1-2, the cathode terminal of valve V3-2, the cathode terminal of valve V5-2 are connected with each other
And ground connection.
The other end of switching device FK8-2, the other end of flat ripple Controlled Reactor SR2, the sun of valve V4-2
Extremely, the anode tap of valve V6-2, the anode tap of valve V2-2 are connected with each other.
The neutral point of the secondary side Y shape winding of transformator T1-2 can pass through switching device FK1-2 ground connection.
In the diagram, current source loop 121 and current source loop 122 share isolating valve Va0 and isolating valve Va1.
The other end of switching device FK7-1 connects together with switching device FK9 one end, the anode tap of valve Va0.
The other end of switching device FK7-2 and the other end of switching device FK9, the one of switching device FK10
End, switching device FK12 one end connect together.
The other end of switching device FK10 is connected in anode tap, one end of switching device FK13 of valve Va1
Together.The other end of switching device FK12 is connected in one end, the cathode terminal of valve Va1 of switching device FK11
Together, the other end of switching device FK11 connects with the cathode terminal of the other end of switching device FK13, valve Va0
Together, and with test product it is connected.
Certain above-mentioned switching device can use connection busbar to realize, to realize low cost.
In the thyristor valve compounding testing circuit shown in Fig. 4: switched by the state of switching device, permissible
It is each configured to the synthetic test loop of check valve and two-way valve.
When test product valve Vt is check valve, in generation, drives switching device FK1-1, switching device FK5-1, derailing switch
Part FK8-1, switching device FK9, switching device FK12 and switching device FK13；Close a switch device
FK2-1, switching device FK3-1, switching device FK4-1, switching device FK6-1, switching device FK7-1,
Switching device FK10 and switching device FK11.
When test product valve Vt is two-way valve, open switching device FK2-1, switching device FK3-1, derailing switch
Part FK4-1, switching device FK5-1, switching device FK6-1, switching device FK10 and switching device FK11；
Close a switch device FK1-1, switching device FK8-1, switching device FK7-1, switching device FK9, open
Close device FK12 and switching device FK13.
Joining for check valve being carried out test for the thyristor valve compounding testing circuit shown in Fig. 4 shown in Fig. 5
Structural representation with the electronic element of work.Obviously the auxiliary valve Va6 in voltage source circuit is in non-
Duty, therefore in voltage source circuit 110, be equivalent to the auxiliary valve Va6 removed.By switching device
Conducting or Guan Bi, the circuit structure in the current source loop 120 ultimately formed is as shown in Figure 5.
Joining for two-way valve being carried out test for the thyristor valve compounding testing circuit shown in Fig. 4 shown in Fig. 6
Structural representation with the electronic element of work.Obviously the auxiliary valve Va6 in voltage source circuit is in work
Make state.By conducting or the Guan Bi of switching device, the circuit knot in the current source loop 120 ultimately formed
Structure is as shown in Figure 6.
Enclosing mutually of described Controlled Reactor the most at least includes two adjustable stages, for being connected by adjustment
Level, meet test described test product current needs.Here multiple grades of convenience, select different changes
Pressure ratio, the curtage needed for test product inputs.
Embodiment of the method:
As it is shown in fig. 7, the present embodiment provides a kind of thyristor valve synthetic test method, described method includes:
Step S110: according to the type of the test product valve being access in test product, controls electronics unit in voltage source loop
Part duty, provides test voltage for described test product；Wherein, the type of described test product valve includes IGCT
Check valve in valve and two-way valve；
Step S120: according to being access in the type of described test product valve, control electronic component work in voltage source loop
Make state, provide test current for described test product.
Method described in the present embodiment, it is possible to be applied to the thyristor valve synthesis shown in aforementioned device embodiment
In hookup, it is possible to test with the different types of valve of a thyristor valve, it is not necessary to for two-way valve and
Single line valve is separately provided different hookups, which saves the setup cost of hookup, improves examination
The utilization rate of each electronic devices and components in electrical verification road.
It should be noted that: the most described step S110 and step S120 are fixed
Sequencing, it is only necessary to meet above-mentioned steps and be carried out, therefore the method described in the present embodiment, can be such as figure
Method shown in 7 performs, it is also possible to step S120 and step S110 perform simultaneously, or step S110 exists
Perform after step S120.
Described test product includes test product valve Vt and stray capacitance Ct；Wherein, described test product valve Vt is described unidirectional
Valve or two-way valve；
Described voltage source loop includes: transformator T2, rectifier bridge U3, auxiliary Controlled Reactor L1, auxiliary
Controlled Reactor L2, auxiliary Controlled Reactor L3, auxiliary capacitor C1, auxiliary capacitor C2, auxiliary
Valve Va2, auxiliary valve Va3, auxiliary valve Va4, auxiliary valve Va5 and auxiliary valve Va6；
The primary side access system bus of described transformator T2, secondary side intersects with the three of described rectifier bridge U3
Stream end is connected；
The common cathode outfan of described rectifier bridge U3 is connected with auxiliary Controlled Reactor L3 one end；
The high-pressure side of the described auxiliary Controlled Reactor L3 other end and auxiliary capacitor C2 and described auxiliary valve
The anode tap of Va2 connects together；
The cathode terminal of described auxiliary valve Va2, the cathode terminal of described auxiliary valve Va5, described auxiliary valve Va6
Anode tap, one end of described auxiliary Controlled Reactor L2 link together；
The other end of described auxiliary Controlled Reactor L2, the high-pressure side of described auxiliary capacitor C1, described auxiliary
The anode tap of valve Va3, the cathode terminal of described auxiliary valve Va4 is helped to connect together；
Described auxiliary Controlled Reactor L1 one end, the cathode terminal of described auxiliary valve Va3, described auxiliary valve Va4
Anode tap connect together；
The described auxiliary Controlled Reactor L1 other end, the anode tap of described test product valve Vt, stray capacitance Ct
High-pressure side connect together；
The common cathode outfan of described rectifier bridge U3, described auxiliary capacitor C2 low-pressure end, described auxiliary valve
The anode tap of Va5, the cathode terminal of described auxiliary valve Va6, described auxiliary capacitor C1 low-pressure end, described miscellaneous
The low-pressure end of spurious capacitance Ct and the cathode terminal of described test product valve Vt connect together and ground connection；
Described step S110 comprises the steps that
When described test product valve Vt is check valve, described auxiliary valve Va6 is in off working state；When described auxiliary
When to help valve Va6 be two-way valve, described auxiliary valve Va6 is in running order.
Provide in the present embodiment in corresponding thyristor valve hookup, the most how to control voltage source
The switch of the electronic devices and components in loop, thus reach to realize an IGCT hookup and can either test double
To valve, the purpose of two-way valve can be tested again.Work shape whether it is in the present embodiment by auxiliary law Va6
State realizes.Auxiliary valve Va6 described in the present embodiment is in off working state: in test process completely
It is closed, the offer of the test voltage of any one time point in process of the test is provided.Described auxiliary
Help the in running order correspondence of valve Va6 to have described auxiliary valve Va6 in the conduction state or closed mode time
Between, when described auxiliary valve Va6 is in the conduction state, by because of the output of self electrical characteristics impression test voltage.
The most in the present embodiment by the control of the duty of described auxiliary valve Va6, easy can be real
Now provide its required test voltage to check valve and two-way valve.
Further, described current source loop includes: transformator T1-1, Controlled Reactor Lx1-1, phased
Reactor Lx2-1, Controlled Reactor Lx3-1, rectifier bridge U1, flat ripple Controlled Reactor SR1, isolating valve
Va0, isolating valve Va1, switching device FK1-1 are to switching device FK8-1；
Described rectifier bridge U1 includes valve V1-1, valve V2-1, valve V3-1, valve V4-1, valve V5-1 and valve
V6-1；
The primary side equal access system bus of described transformator T1-1, secondary side A phase leading-out terminal and phased electricity
One end of anti-device Lx1-1 and one end of described switching device FK2-1 link together；
The other end of described Controlled Reactor Lx1-1, the other end of described switching device FK2-1, derailing switch
One end of part FK5-1, one end of switching device FK6-1, one end of switching device FK7-1 link together；
The other end of described switching device FK5-1 links together with the anode tap of described valve V1-1；
The other end of described switching device FK6-1 links together with the cathode terminal of described valve V4-1；
Secondary side B phase leading-out terminal, one end of described Controlled Reactor Lx2-1 and the institute of described transformator T1-1
The one end stating switching device FK3-1 links together；
The other end of described Controlled Reactor Lx2-1, the other end of described switching device FK3-1, described valve
The anode tap of V3-1, the cathode terminal of described valve V6-1 link together；
Secondary side C phase leading-out terminal, one end of described Controlled Reactor Lx3-1 and the institute of described transformator T1-1
The one end stating switching device FK4-1 links together；
The other end of described Controlled Reactor Lx3-1, the other end of described switching device FK4-1, described valve
The anode tap of V5-1, the cathode terminal of described valve V2-1 link together；
One end of switching device FK8-1, one end of described flat ripple Controlled Reactor SR1, described valve V1-1
Cathode terminal, the cathode terminal of described valve V3-1, the cathode terminal of described valve V5-1 be connected with each other, and connect
Ground；
The other end of described switching device FK8-1, the other end of described flat ripple Controlled Reactor SR1, described
The anode tap of valve V4-1, the anode tap of described valve V6-1, the anode tap of described valve V2-1 are interconnected in one mutually
Rise；
The neutral point of the secondary side Y shape winding of transformator T1-1 can pass through described switching device FK1-1 ground connection；
Described step S120 comprises the steps that
When described test product valve Vt is check valve, open described switching device FK1-1, described switching device
FK5-1, described switching device FK8-1, the described switching device FK2-1 that closes, described switching device FK3-1,
Described switching device FK4-1, described switching device FK6-1 and described switching device FK7-1；
When described auxiliary valve Va6 is two-way valve, open described switching device FK2-1, described switching device
FK3-1, described switching device FK4-1, described switching device FK5-1, FK6-1, FK10, FK11, close
Upper described switching device FK1-1, described switching device FK8-1 and described switching device FK7-1；And institute
State isolating valve Va1 described in the two ends reverse parallel connection of isolating valve Va0.
Herein, based on previous embodiment, the present embodiment provide firstly a kind of method described in the present embodiment can
Application current source loop, then based on this current source loop on the basis of, it is provided that how according to test product valve
Type controls the duty of its each electronic devices and components internal, the most described step S120
In control the on and off of each electronic device by controlling the switching device in described current source loop,
Test current needed for providing according to test product valve is provided.
In several embodiments provided herein, it should be understood that disclosed equipment and method,
Can realize by another way.Apparatus embodiments described above is only schematically, such as,
The division of described unit, is only a kind of logic function and divides, and actual can have other division when realizing
Mode, such as: multiple unit or assembly can be in conjunction with, or are desirably integrated into another system, or some are special
Levy and can ignore, or do not perform.It addition, the coupling each other of shown or discussed each ingredient,
Or direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, equipment or unit or logical
Letter connect, can be electrical, machinery or other form.
The above-mentioned unit illustrated as separating component can be or may not be physically separate, makees
The parts shown for unit can be or may not be physical location, i.e. may be located at a place,
Can also be distributed on multiple NE；Can select according to the actual needs therein partly or entirely
Unit realizes the purpose of the present embodiment scheme.
It addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing module
In, it is also possible to it is that each unit is individually as a unit, it is also possible to two or more unit collection
Become in a unit；Above-mentioned integrated unit both can realize to use the form of hardware, it would however also be possible to employ
Hardware adds the form of SFU software functional unit and realizes.
One of ordinary skill in the art will appreciate that: realize all or part of step of said method embodiment
Can be completed by the hardware that programmed instruction is relevant, aforesaid program can be stored in a computer-readable
Taking in storage medium, this program upon execution, performs to include the step of said method embodiment；And it is aforementioned
Storage medium include: movable storage device, read only memory (ROM, Read-Only Memory),
Random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various
The medium of program code can be stored.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited to
In this, any those familiar with the art, can be easily in the technical scope that the invention discloses
Expect change or replace, all should contain within protection scope of the present invention.Therefore, the protection of the present invention
Scope should be as the criterion with described scope of the claims.
Claims (11)
1. a thyristor valve compounding testing circuit, it is characterised in that described circuit includes:
Voltage source loop, for the type according to the test product valve being access in test product, controls described voltage source and returns
Electronic component duty in road, provides test voltage for described test product；Wherein, the type of described test product valve
Including the check valve in thyristor valve and two-way valve；
Current source loop, is access in the type of described test product valve, controls in described voltage source loop for basis
Electronic component duty, provides test current for described test product.
Circuit the most according to claim 1, it is characterised in that
Described test product includes test product valve Vt and stray capacitance Ct；Wherein, described test product valve Vt is described unidirectional
Valve or two-way valve；
Described voltage source loop includes: transformator T2, rectifier bridge U3, auxiliary Controlled Reactor L1, auxiliary
Controlled Reactor L2, auxiliary Controlled Reactor L3, auxiliary capacitor C1, auxiliary capacitor C2, auxiliary
Valve Va2, auxiliary valve Va3, auxiliary valve Va4, auxiliary valve Va5 and auxiliary valve Va6；
The primary side access system bus of described transformator T2, secondary side intersects with the three of described rectifier bridge U3
Stream end is connected；
The common cathode outfan of described rectifier bridge U3 is connected with auxiliary Controlled Reactor L3 one end；
The high-pressure side of the described auxiliary Controlled Reactor L3 other end and auxiliary capacitor C2 and described auxiliary valve
The anode tap of Va2 connects together；
The cathode terminal of described auxiliary valve Va2, the cathode terminal of described auxiliary valve Va5, described auxiliary valve Va6
Anode tap, one end of described auxiliary Controlled Reactor L2 link together；
The other end of described auxiliary Controlled Reactor L2, the high-pressure side of described auxiliary capacitor C1, described auxiliary
The anode tap of valve Va3, the cathode terminal of described auxiliary valve Va4 is helped to connect together；
Described auxiliary Controlled Reactor L1 one end, the cathode terminal of described auxiliary valve Va3, described auxiliary valve Va4
Anode tap connect together；
The described auxiliary Controlled Reactor L1 other end, the anode tap of described test product valve Vt, stray capacitance Ct
High-pressure side connect together；
The common cathode outfan of described rectifier bridge U3, described auxiliary capacitor C2 low-pressure end, described auxiliary valve
The anode tap of Va5, the cathode terminal of described auxiliary valve Va6, described auxiliary capacitor C1 low-pressure end, described miscellaneous
The low-pressure end of spurious capacitance Ct and the cathode terminal of described test product valve Vt connect together and ground connection；
Wherein, when described test product valve Vt is check valve, described auxiliary valve Va6 is in off working state；When
When described auxiliary valve Va6 is two-way valve, described auxiliary valve Va6 is in running order.
Circuit the most according to claim 2, it is characterised in that
Described auxiliary valve Va3 and described auxiliary valve Va4 is separate check valve；Or,
Described auxiliary valve Va3 and described auxiliary valve Va4 collectively constitutes a two-way inverse parallel valve.
Circuit the most according to claim 2, it is characterised in that
Described auxiliary valve Va5 and described auxiliary valve Va6 is separate check valve；Or,
Described auxiliary valve Va5 and described auxiliary valve Va6 collectively constitutes a two-way inverse parallel valve.
5. according to the circuit described in any one of Claims 1-4, it is characterised in that
Described current source loop includes: transformator T1-1, Controlled Reactor Lx1-1, Controlled Reactor Lx2-1,
Controlled Reactor Lx3-1, rectifier bridge U1, flat ripple Controlled Reactor SR1, isolating valve Va0, isolating valve Va1,
Switching device FK1-1 to switching device FK8-1；
Described rectifier bridge U1 includes valve V1-1, valve V2-1, valve V3-1, valve V4-1, valve V5-1 and valve
V6-1；
The primary side equal access system bus of described transformator T1-1, secondary side A phase leading-out terminal and phased electricity
One end of anti-device Lx1-1 and one end of described switching device FK2-1 link together；
The other end of described Controlled Reactor Lx1-1, the other end of described switching device FK2-1, derailing switch
One end of part FK5-1, one end of switching device FK6-1, one end of switching device FK7-1 link together；
The other end of described switching device FK5-1 links together with the anode tap of described valve V1-1；
The other end of described switching device FK6-1 links together with the cathode terminal of described valve V4-1；
Secondary side B phase leading-out terminal, one end of described Controlled Reactor Lx2-1 and the institute of described transformator T1-1
The one end stating switching device FK3-1 links together；
The other end of described Controlled Reactor Lx2-1, the other end of described switching device FK3-1, described valve
The anode tap of V3-1, the cathode terminal of described valve V6-1 link together；
Secondary side C phase leading-out terminal, one end of described Controlled Reactor Lx3-1 and the institute of described transformator T1-1
The one end stating switching device FK4-1 links together；
The other end of described Controlled Reactor Lx3-1, the other end of described switching device FK4-1, described valve
The anode tap of V5-1, the cathode terminal of described valve V2-1 link together；
One end of switching device FK8-1, one end of described flat ripple Controlled Reactor SR1, described valve V1-1
Cathode terminal, the cathode terminal of described valve V3-1, the cathode terminal of described valve V5-1 be connected with each other, and connect
Ground；
The other end of described switching device FK8-1, the other end of described flat ripple Controlled Reactor SR1, described
The anode tap of valve V4-1, the anode tap of described valve V6-1, the anode tap of described valve V2-1 are interconnected in one mutually
Rise；
The neutral point of the secondary side Y shape winding of transformator T1-1 can pass through described switching device FK1-1 ground connection；
Wherein, when described test product valve Vt is check valve, described switching device FK1-1, described switch are opened
Device FK5-1, described switching device FK8-1, close described switching device FK2-1, described switching device
FK3-1, described switching device FK4-1, described switching device FK6-1 and described switching device FK7-1；
When described test product valve Vt is two-way valve, open described switching device FK2-1, described switching device
FK3-1, described switching device FK4-1, described switching device FK5-1, FK6-1, FK10, FK11, close
Upper described switching device FK1-1, described switching device FK8-1 and described switching device FK7-1；And institute
State isolating valve Va1 described in the two ends reverse parallel connection of isolating valve Va0.
Circuit the most according to claim 5, it is characterised in that
Described circuit includes the described current source loop of multiple parallel connection.
Circuit the most according to claim 5, it is characterised in that described switching device is connection busbar.
Circuit the most according to claim 5, it is characterised in that
Enclosing mutually of described Controlled Reactor the most at least includes two adjustable stages, for being connected by adjustment
Level, meet test described test product current needs.
9. a thyristor valve synthetic test method, it is characterised in that described method includes:
According to the type of the test product valve being access in test product, control electronic component duty in voltage source loop,
Test voltage is provided for described test product；Wherein, the type of described test product valve includes the check valve in thyristor valve
And two-way valve；
According to being access in the type of described test product valve, control electronic component duty in voltage source loop, for
Described test product provides test current.
Method the most according to claim 9, it is characterised in that
Described test product includes test product valve Vt and stray capacitance Ct；Wherein, described test product valve Vt is described unidirectional
Valve or two-way valve；
Described voltage source loop includes: transformator T2, rectifier bridge U3, auxiliary Controlled Reactor L1, auxiliary
Controlled Reactor L2, auxiliary Controlled Reactor L3, auxiliary capacitor C1, auxiliary capacitor C2, auxiliary
Valve Va2, auxiliary valve Va3, auxiliary valve Va4, auxiliary valve Va5 and auxiliary valve Va6；
The primary side access system bus of described transformator T2, secondary side intersects with the three of described rectifier bridge U3
Stream end is connected；
The common cathode outfan of described rectifier bridge U3 is connected with auxiliary Controlled Reactor L3 one end；
The high-pressure side of the described auxiliary Controlled Reactor L3 other end and auxiliary capacitor C2 and described auxiliary valve
The anode tap of Va2 connects together；
The cathode terminal of described auxiliary valve Va2, the cathode terminal of described auxiliary valve Va5, described auxiliary valve Va6
Anode tap, one end of described auxiliary Controlled Reactor L2 link together；
The other end of described auxiliary Controlled Reactor L2, the high-pressure side of described auxiliary capacitor C1, described auxiliary
The anode tap of valve Va3, the cathode terminal of described auxiliary valve Va4 is helped to connect together；
Described auxiliary Controlled Reactor L1 one end, the cathode terminal of described auxiliary valve Va3, described auxiliary valve Va4
Anode tap connect together；
The described auxiliary Controlled Reactor L1 other end, the anode tap of described test product valve Vt, stray capacitance Ct
High-pressure side connect together；
The common cathode outfan of described rectifier bridge U3, described auxiliary capacitor C2 low-pressure end, described auxiliary valve
The anode tap of Va5, the cathode terminal of described auxiliary valve Va6, described auxiliary capacitor C1 low-pressure end, described miscellaneous
The low-pressure end of spurious capacitance Ct and the cathode terminal of described test product valve Vt connect together and ground connection；
The type of the test product valve that described basis is access in test product, controls electronic component work in voltage source loop
State, provides test voltage for described test product, including:
When described test product valve Vt is check valve, described auxiliary valve Va6 is in off working state；When described auxiliary
When to help valve Va6 be two-way valve, described auxiliary valve Va6 is in running order.
11. according to the method described in claim 9 or 10, it is characterised in that
Described current source loop includes: transformator T1-1, Controlled Reactor Lx1-1, Controlled Reactor Lx2-1,
Controlled Reactor Lx3-1, rectifier bridge U1, flat ripple Controlled Reactor SR1, isolating valve Va0, isolating valve Va1,
Switching device FK1-1 to switching device FK8-1；
Described rectifier bridge U1 includes valve V1-1, valve V2-1, valve V3-1, valve V4-1, valve V5-1 and valve
V6-1；
The primary side equal access system bus of described transformator T1-1, secondary side A phase leading-out terminal and phased electricity
One end of anti-device Lx1-1 and one end of described switching device FK2-1 link together；
The other end of described Controlled Reactor Lx1-1, the other end of described switching device FK2-1, derailing switch
One end of part FK5-1, one end of switching device FK6-1, one end of switching device FK7-1 link together；
The other end of described switching device FK5-1 links together with the anode tap of described valve V1-1；
The other end of described switching device FK6-1 links together with the cathode terminal of described valve V4-1；
Secondary side B phase leading-out terminal, one end of described Controlled Reactor Lx2-1 and the institute of described transformator T1-1
The one end stating switching device FK3-1 links together；
The other end of described Controlled Reactor Lx2-1, the other end of described switching device FK3-1, described valve
The anode tap of V3-1, the cathode terminal of described valve V6-1 link together；
Secondary side C phase leading-out terminal, one end of described Controlled Reactor Lx3-1 and the institute of described transformator T1-1
The one end stating switching device FK4-1 links together；
The other end of described Controlled Reactor Lx3-1, the other end of described switching device FK4-1, described valve
The anode tap of V5-1, the cathode terminal of described valve V2-1 link together；
One end of switching device FK8-1, one end of described flat ripple Controlled Reactor SR1, described valve V1-1
Cathode terminal, the cathode terminal of described valve V3-1, the cathode terminal of described valve V5-1 be connected with each other, and connect
Ground；
The other end of described switching device FK8-1, the other end of described flat ripple Controlled Reactor SR1, described
The anode tap of valve V4-1, the anode tap of described valve V6-1, the anode tap of described valve V2-1 are interconnected in one mutually
Rise；
The neutral point of the secondary side Y shape winding of transformator T1-1 can pass through described switching device FK1-1 ground connection；
Described basis is access in the type of described test product valve, controls electronic component duty in voltage source loop,
Test current is provided for described test product, including:
When described test product valve Vt is check valve, open described switching device FK1-1, described switching device
FK5-1, described switching device FK8-1, the described switching device FK2-1 that closes, described switching device FK3-1,
Described switching device FK4-1, described switching device FK6-1 and described switching device FK7-1；
When described test product valve Vt is two-way valve, open described switching device FK2-1, described switching device
FK3-1, described switching device FK4-1, described switching device FK5-1, FK6-1, FK10, FK11, close
Upper described switching device FK1-1, described switching device FK8-1 and described switching device FK7-1；And institute
State isolating valve Va1 described in the two ends reverse parallel connection of isolating valve Va0.
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| CN111273096A (en) * | 2018-12-04 | 2020-06-12 | 西安高压电器研究院有限责任公司 | Electric test device of thyristor valve and power supply device thereof |
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