CN207352380U - A kind of flexible direct current real-time simulation interface automatic transfer equipment - Google Patents
A kind of flexible direct current real-time simulation interface automatic transfer equipment Download PDFInfo
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- CN207352380U CN207352380U CN201720906524.6U CN201720906524U CN207352380U CN 207352380 U CN207352380 U CN 207352380U CN 201720906524 U CN201720906524 U CN 201720906524U CN 207352380 U CN207352380 U CN 207352380U
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Abstract
A kind of flexible direct current real-time simulation interface automatic transfer equipment, including real-time simulation RTDS signal plates, real-time simulation RT LAB signal plates, emulation interface equipment, flexible direct current control protection device, further include signal switching relay board, the real-time simulation RTDS signal plates are connected signal switching relay board respectively with real-time simulation RT LAB signal plates, and signal switching relay board, emulation interface equipment, flexible direct current control protection device are sequentially connected；The signal switching relay board is used for the RTDS signals received according to actual instruction or RT LAB signals input emulation interface equipment, and emulation interface equipment is used to input signal accessing flexible direct current control protection device after isolation is amplified.Advantage is can to greatly reduce the interface board of two kinds of emulators of exchange RTDS systems and RT LAB systems and p-wire workload, avoids the electrostatic in operating process and wiring error from there is the risk of damage equipment.
Description
Technical field
Flexible direct current Real-time Simulation Technology field is the utility model is related to, a kind of particularly flexible direct current real-time simulation connects
Mouth automatic transfer equipment.
Background technology
In recent years, the flexible DC power transmission based on full-controlled switch device (also referred to as voltage source converter direct current transportation) obtains
Arrived tremendous expansion, using flexible DC power transmission can solve customary DC commutation failure, independent control it is active with it is idle, power grid is different
The problems such as step interconnection.The power module number of high-voltage large-capacity flexible direct current is more (thousands of), and control speed is fast, method of operation spirit
Work is various, and traditional off-line simulation and dynamic model test are difficult to meet the requirements, and cause straight-flow system control strategy, parameter definite value excellent
The cycle length such as change, the test of Control protection system functional performance.At present, in engineering using RT-LAB or RTDS real-time simulation devices with
Flexible direct current control protective unit forms the real time data display of closed loop, carries out flexible direct current control defencive function performance and surveys
Examination and system research, real-time simulation device realize that the simulation of primary circuit and system control, control protective unit realize secondary returning
The function on road, both form real-time closed-loop control system.Due to the difference of RT-LAB or RTDS real-time simulation devices, emulation testing
Emphasis difference, it is necessary to be connect using RT-LAB and RTDS real-time simulation devices to same flexible direct current control protective unit
Mouthful connection, interface signal include analog quantity, input switch amount, output switching value, interface quantity is huge, equipment room electrical isolation and
Power configuration is complicated, and the interface board and p-wire of two kinds of emulators are exchanged using manual type, and workload causes greatly very much
There is the risk of damage equipment in l-G simulation test inefficiency, electrostatic and wiring error in operating process.
Utility model content
The purpose of the utility model is to overcome in existing flexible direct current real-time simulation presence signal isolation and driving force it is weak,
The defects of artificial patching operations time is long during the switching access of two kinds of real-time emulation system signals, there is provided a kind of flexible direct current is imitated in real time
True interface automatic transfer equipment.
The utility model is achieved through the following technical solutions：
A kind of flexible direct current real-time simulation interface automatic transfer equipment, including real-time simulation RTDS signal plates, real-time simulation
RT-LAB signal plates, emulation interface equipment, flexible direct current control protection device, further include signal switching relay board, described is real-time
Emulation RTDS signal plates and real-time simulation RT-LAB signal plates are connected signal switching relay board respectively, the signal switch after
Appliance plate, emulation interface equipment, flexible direct current control protection device are sequentially connected；The signal switching relay board is used for according to reality
RTDS signals or RT-LAB signals the input emulation interface equipment of border command reception, emulation interface equipment are used to pass through input signal
Flexible direct current control protection device is accessed after isolation amplification.
As the improvement of such scheme, the signal switching relay board include power supply DC, switch CB1, switch CB2,
Relay K, the first relay circuit, the second relay circuit；The power supply DC, switch CB1, relay K normally-closed contacts according to
Secondary concatenation, first relay circuit, the second relay circuit parallel connection cut-in relay K transfer contacts with switch CB1 it
Between be formed into a loop, the relay K transfer contacts control the first relay circuit or the second relay circuit connection；Described
Switch CB2 is in parallel with power supply DC, switch CB1 after connecting with relay K；First relay circuit include relay K1,
Involution coil K1-1, K2-1...Kn-1 of K2...Kn is formed in parallel, second relay circuit include relay K1,
Excitation coil K1-2, K2-2...Kn-2 of K2...Kn is formed in parallel；The normally-closed contact control of described relay K1, the K2...Kn
Real-time simulation RTDS signal plates processed access emulation interface equipment, the normally opened contact switch control of described relay K1, K2...Kn
Real-time simulation RT-LAB signal plates access emulation interface equipment.
As the improvement of such scheme, the relay K normally-closed contacts connect with the first relay circuit, it is described after
The normally opened contact of electric appliance K connects with the second relay circuit.
As the improvement of such scheme, signal switching relay board further includes subsidiary loop, and the auxiliary is returned
Road includes the protective loop that resistance R and diode D is formed, and described relay K, K1, K2...Kn carry subsidiary loop, institute
The backward voltage of the diode D stated is 600V to 1000V, forward current 0.5A to 2A, and the resistance R is 400 Ω to 1000
Ω。
As the improvement of such scheme, the real-time simulation RTDS signal plates include analog output (GTAO plates),
Digital output module (GTDO plates) and On-off signal plate (GTDI plates)；The real-time simulation RT-LAB signal plates include simulation
Measure output board (OP5330 plates), On-off signal plate (OP5353 plates) and digital output module (OP5354 plates)；Emulation interface is set
It is standby to include electric simulation amount isolated amplifier, switching value level disconnecting relay plate；The analog output (GTAO plates),
Analog output (OP5330 plates) is sequentially ingressed into the electric simulation amount after being connected respectively with signal switching relay board
Isolated amplifier, flexible direct current control protection device；The On-off signal plate (GTDI plates), On-off signal plate (OP5353 plates)
The intake that the switching value level disconnecting relay plate is sequentially ingressed into after being connected respectively with signal switching relay board connects
Oralia, flexible direct current control protection device；The digital output module (GTDO plates), digital output module (OP5354 plates) respectively with
Signal switching relay board is sequentially ingressed into the amount of the outputing interface board, soft of the switching value level disconnecting relay plate after being connected
Property direct current control protection device.
As the improvement of such scheme, the relay K is monostable electromagnetic relay, and it is 24VDC to control voltage, extremely
Few transfer contact containing a pair of, contact change-over capacity is 24VDC/5A, and actuation time is less than 10ms.
As the improvement of such scheme, described relay K1, K2...Kn are twin coil bistable magnetic latching relay,
It is 24VDC to control voltage, and at least containing two pairs of transfer contacts, contact change-over capacity is 24VDC/5A, and actuation time is less than 10ms.
As the improvement of such scheme, the power supply DC is output 24VDC Switching Power Supplies, inputs and AC/ can be used
DC220V, DC110V, using the wiring of floating ground.
As the improvement of such scheme, the real-time simulation RTDS signal plates, the mould of real-time simulation RT-LAB signal plates
Analog quantity exports limit value in ± 5V, and on-off model level is direct current 24V.
The utility model has following beneficial effect：It can make two kinds of emulators of exchange RTDS systems and RT-LAB systems
Interface board and p-wire workload greatly reduce, avoid electrostatic in operating process and wiring error from there is damage equipment
Risk.
Brief description of the drawings
Fig. 1 is the fundamental diagram of the flexible direct current real-time simulation interface automatic transfer equipment of the utility model.
Fig. 2 is that the signal of the utility model switches the circuit diagram of relay board.
Fig. 3 is the first catenation principle figure of the utility model flexible direct current real-time simulation interface automatic transfer equipment.
Fig. 4 is the second catenation principle figure of the utility model flexible direct current real-time simulation interface automatic transfer equipment.
Fig. 5 is the 3rd catenation principle figure of the utility model flexible direct current real-time simulation interface automatic transfer equipment.
Embodiment
Embodiment
As shown in Figure 1, a kind of flexible direct current real-time simulation interface automatic transfer equipment, including real-time simulation RTDS signals
Plate, real-time simulation RT-LAB signal plates, emulation interface equipment, flexible direct current control protection device, further include signal switching relay board,
The real-time simulation RTDS signal plates are connected signal switching relay board respectively with real-time simulation RT-LAB signal plates, described
Signal switching relay board, emulation interface equipment, flexible direct current control protection device are sequentially connected；The signal switching relay board
RTDS signals or RT-LAB signals for being received according to actual instruction input emulation interface equipment, and emulation interface equipment is used for will
Input signal accesses flexible direct current control protection device after isolation is amplified.
As shown in Figure 2 and Figure 3, signal switching relay board includes power supply DC, switch CB1, switch CB2, relay
K, the first relay circuit, the second relay circuit；The power supply DC, switch CB1, relay K contact switch are sequentially connected in series,
Formed back between first relay circuit, the second relay circuit parallel connection cut-in relay K transfer contacts and switch CB1
Road, the relay K transfer contacts control the first relay circuit or the connection of the second relay circuit；The switch CB2
It is in parallel with power supply DC, switch CB1 after connecting with relay K；First relay circuit includes relay K1, K2...Kn
Involution coil K1-1, K2-1...Kn-1 be formed in parallel, second relay circuit includes relay K1, K2...Kn
Excitation coil K1-2, K2-2...Kn-2 are formed in parallel；The normally-closed contact control real-time simulation of described relay K1, the K2...Kn
RTDS signal plates access emulation interface equipment, the normally opened contact control real-time simulation RT-LAB of described relay K1, K2...Kn
Signal plate accesses emulation interface equipment.The relay K normally-closed contacts connect with the first relay circuit, the relay
K normally opened contacts connect with the second relay circuit.The signal switching relay board further includes subsidiary loop, the auxiliary
Circuit includes the protective loop that resistance R and diode D is formed, and described relay K, K1, K2...Kn carry subsidiary loop,
The backward voltage of the diode D is 600V to 1000V, forward current 0.5A to 2A, the resistance R for 400 Ω extremely
1000Ω.The relay K is monostable electromagnetic relay, and it is 24VDC to control voltage, at least containing a pair of of transfer contact, is touched
Point switching capacity is 24VDC/5A, and actuation time is less than 10ms.The relay K1, K2...Kn, be twin coil bistable magnetic
Guard relay, it is 24VDC to control voltage, and at least containing two pairs of transfer contacts, contact change-over capacity is 24VDC/5A, actuation time
Less than 10ms.The power supply DC is output 24VDC Switching Power Supplies, inputs and AC/DC220V, DC110V can be used, using floating
Wiring.The real-time simulation RTDS signal plates, the analog output limit value of real-time simulation RT-LAB signal plates are in ± 5V, switch
Amount signal level is direct current 24V.
As shown in Figures 3 to 5, the real-time simulation RTDS signal plates include analog output (GTAO plates), switch
Measure output board (GTDO plates) and On-off signal plate (GTDI plates)；It is defeated that the real-time simulation RT-LAB signal plates include analog quantity
Ejecting plate (OP5330 plates), On-off signal plate (OP5353 plates) and digital output module (OP5354 plates)；Emulation interface equipment bag
Include electric simulation amount isolated amplifier, switching value level disconnecting relay plate；The analog output (GTAO plates), simulation
Amount output board (OP5330 plates) is sequentially ingressed into the electric simulation amount after being connected respectively with signal switching relay board isolates
Amplifier, flexible direct current control protection device；The On-off signal plate (GTDI plates), On-off signal plate (OP5353 plates) are respectively
The intake interface board of switching value level disconnecting relay plate described in being sequentially ingressed into after being connected with signal switching relay board,
Flexible direct current control protection device；The digital output module (GTDO plates), digital output module (OP5354 plates) respectively with signal
Switching relay board is sequentially ingressed into the amount of the outputing interface board of the switching value level disconnecting relay plate, flexibility after being connected straight
Flow control protection device.
Operation principle：Close a switch after CB1, the normally-closed contact 1 of relay K is connected with 3, and 24V DC power supplies apply to magnetic
The both ends of the involution coil of guard relay K1-1, K2-1...Kn-1, the closure of contact 1 and 3 of relay K1, K2...Kn, 4 and
6 closures, RT-LAB analog signals disconnect, RTDS analog signals access emulation interface equipment, after isolation and power amplification, extension
Input interface unit into multiple-channel output to flexible direct current control protection device.Switch CB1 closure states are kept, by switching CB2's
Division can realize the automatic switchover of RTDS analog signals and RT-LAB analog signals：When CB2 closes, relay K actions, it is touched
1 and 2 closure of point, magnetic latching relay excitation coil K1-2 to Kn-2 energized actions, the closure of its contact 1 and 2 closure, 4 and 5,
RTDS analog signals disconnect, RT-LAB analog signals access analog interface equipment；When CB2 is disconnected, relay K involutions, its
Contact 1 and 3 closes, the involution coil K1-1 of magnetic latching relay to Kn-1 energized actions, the closure of contact 1 and 3 of relay, 4
With 6 closures, RT-LAB analog signals disconnect, RTDS analog signals access analog interface equipment.As RTDS analog signals or RT-
After LAB analog signals access analog interface equipment is stablized, to reduce the loss of power, CB1 can be disconnected.
Work step：
S1) manually or automatically close a switch CB1, power on flexible direct current real-time simulation interface automatic transfer equipment, confirms
Power supply DC outputs are normal；
S2) selection switching real-time emulation system：According to RTDS systems, switch CB2 is manually or automatically disconnected；According to
RT-LAB systems, manually or automatically close a switch CB2.
S3) start the RTDS systems or RT-LAB systems of real-time simulation according to need of work, release flexible in simulation model
Dc switch linkage relationship；
S4) judge that analogue system switches successfully：Whole analog outputs are set to 0 in simulation model, by whole intakes, are opened
Output is set to 0, and reading whole analog outputs by simulation model should be 0, and whole intakes, the amount of outputing should be 0；In simulation model
Whole analog outputs are put into 5V, whole intakes, the amount of outputing put 1, and reading whole analog outputs by simulation model should be
5V or so, whole intakes, the amount of outputing should be 1；Above two inspection is manually or automatically opened by confirming after switching successfully
Close CB1.
S5) recover to switch linkage relationship in flexible direct current simulation model, carry out according to the technical requirements of real-time emulation system
The real-time simulation of associated flexible direct current is tested.
Above-listed detailed description is illustrating for the utility model possible embodiments, which simultaneously is not used to limit
The scope of the claims of the utility model, all equivalence enforcements or change without departing from carried out by the utility model, are intended to be limited solely by this case
In the scope of the claims.
Claims (9)
1. a kind of flexible direct current real-time simulation interface automatic transfer equipment, including real-time simulation RTDS signal plates, real-time simulation RT-
LAB signal plates, emulation interface equipment, flexible direct current control protection device, it is characterised in that further include signal switching relay board, institute
The real-time simulation RTDS signal plates stated are connected signal switching relay board, the letter respectively with real-time simulation RT-LAB signal plates
Number switching relay board, emulation interface equipment, flexible direct current control protection device are sequentially connected；The signal switching relay board is used
Emulation interface equipment is inputted in the RTDS signals or RT-LAB signals received according to actual instruction, emulation interface equipment is used for will be defeated
Enter signal and access flexible direct current control protection device after isolation is amplified.
2. a kind of flexible direct current real-time simulation interface automatic transfer equipment according to claim 1, it is characterised in that described
Signal switching relay board include power supply DC, switch CB1, switch CB2, relay K, the first relay circuit, the second relay
Device circuit；The power supply DC, switch CB1, relay K normally-closed contacts are sequentially connected in series, first relay circuit, second
It is formed into a loop between relay circuit parallel connection cut-in relay K transfer contacts and switch CB1, the relay K transfer contacts
The first relay circuit or the second relay circuit is controlled to connect；The switch CB2 connect with relay K after with power supply DC,
It is in parallel to switch CB1；First relay circuit includes involution coil K1-1, K2-1...Kn- of relay K1, K2...Kn
1 is formed in parallel, and second relay circuit includes excitation coil K1-2, K2-2...Kn-2 of relay K1, K2...Kn
It is formed in parallel；The normally-closed contact control real-time simulation RTDS signal plate accesses emulation interface of described relay K1, the K2...Kn is set
Standby, the normally opened contact control real-time simulation RT-LAB signal plates of described relay K1, the K2...Kn access emulation interface equipment.
3. a kind of flexible direct current real-time simulation interface automatic transfer equipment according to claim 2, it is characterised in that described
The normally-closed contact of relay K connect with the first relay circuit, the normally opened contact and the second relay circuit of the electric appliance K
Connect.
4. a kind of flexible direct current real-time simulation interface automatic transfer equipment according to claim 2, it is characterised in that described
Signal switching relay board further include subsidiary loop, the subsidiary loop includes the protection that resistance R and diode D is formed and returns
Road, described relay K, K1, K2...Kn carry subsidiary loop, the backward voltage of the diode D for 600V extremely
1000V, forward current 0.5A to 2A, the resistance R are 400 Ω to 1000 Ω.
5. a kind of flexible direct current real-time simulation interface automatic transfer equipment according to claim 2, it is characterised in that described
Real-time simulation RTDS signal plates include analog output, digital output module and On-off signal plate；Described is imitative in real time
True RT-LAB signal plates include analog output, On-off signal plate and digital output module；Emulation interface equipment includes electricity
Gas analog quantity isolated amplifier, switching value level disconnecting relay plate；The analog output, analog output difference
The electric simulation amount isolated amplifier is sequentially ingressed into after being connected with signal switching relay board, flexible direct current control is protected and filled
Put；The On-off signal plate, digital output module are sequentially ingressed into described after being connected respectively with signal switching relay board
Switching value level disconnecting relay plate intake interface board, flexible direct current control protection device；The digital output module, open
Pass amount tablet is sequentially ingressed into the switching value level disconnecting relay plate after being connected respectively with signal switching relay board
The amount of outputing interface board, flexible direct current control protection device.
6. a kind of flexible direct current real-time simulation interface automatic transfer equipment according to claim 2, it is characterised in that described
Relay K be monostable electromagnetic relay, it is 24VDC to control voltage, is at least containing a pair of of transfer contact, contact change-over capacity
24VDC/5A, actuation time are less than 10ms.
7. a kind of flexible direct current real-time simulation interface automatic transfer equipment according to claim 2, it is characterised in that described
Relay K1, K2...Kn be twin coil bistable magnetic latching relay, it is 24VDC to control voltage, at least containing two pairs conversion touch
Point, contact change-over capacity are 24VDC/5A, and actuation time is less than 10ms.
8. a kind of flexible direct current real-time simulation interface automatic transfer equipment according to claim 2, it is characterised in that described
Power supply DC for output 24VDC Switching Power Supplies, input can be used AC/DC220V, DC110V, using the wiring of floating ground.
A kind of 9. flexible direct current real-time simulation interface automatic transfer equipment according to claim 1 or 2, it is characterised in that
The real-time simulation RTDS signal plates, the analog output limit value of real-time simulation RT-LAB signal plates are in ± 5V, switching value letter
Number level is direct current 24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720906524.6U CN207352380U (en) | 2017-07-25 | 2017-07-25 | A kind of flexible direct current real-time simulation interface automatic transfer equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720906524.6U CN207352380U (en) | 2017-07-25 | 2017-07-25 | A kind of flexible direct current real-time simulation interface automatic transfer equipment |
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| Publication Number | Publication Date |
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| CN207352380U true CN207352380U (en) | 2018-05-11 |
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| CN201720906524.6U Active CN207352380U (en) | 2017-07-25 | 2017-07-25 | A kind of flexible direct current real-time simulation interface automatic transfer equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340721A (en) * | 2017-07-25 | 2017-11-10 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of flexible direct current real-time simulation interface automatic transfer equipment |
-
2017
- 2017-07-25 CN CN201720906524.6U patent/CN207352380U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340721A (en) * | 2017-07-25 | 2017-11-10 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of flexible direct current real-time simulation interface automatic transfer equipment |
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