CN208568730U - A kind of compressed-air energy storage difference coefficient static test system - Google Patents
A kind of compressed-air energy storage difference coefficient static test system Download PDFInfo
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- CN208568730U CN208568730U CN201821289675.2U CN201821289675U CN208568730U CN 208568730 U CN208568730 U CN 208568730U CN 201821289675 U CN201821289675 U CN 201821289675U CN 208568730 U CN208568730 U CN 208568730U
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- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 238000004146 energy storage Methods 0.000 title claims abstract description 17
- 230000003068 static effect Effects 0.000 title claims abstract description 14
- 238000010248 power generation Methods 0.000 claims abstract description 9
- 238000004088 simulation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model discloses a kind of compressed-air energy storage difference coefficient static test systems, including oscillograph, signal generator, power signal capture card, tach signal capture card, power controller and compressed air expansion power generation system air inlet adjustment valve, oscillograph power is connect using p-wire with tach signal capture card output port, and oscillograph revolving speed is connect using p-wire with power controller output port；Signal generator is connect using p-wire with tach signal capture card input port, signal generator is connect using p-wire with power signal capture card, power signal capture card, tach signal capture card are all made of cable and are electrically connected to power controller, using electrical connection between power controller output and compressed air expansion power generation system air inlet adjustment valve control port.The utility model can pass through static test before unit starting, check difference coefficient part in primary frequency control system, play the role of basic guarantee to power grid operation.
Description
Technical field
The utility model relates to a kind of compressed-air energy storage difference coefficient static test systems, belong to compressed-air energy storage skill
Art field.
Background technique
As generation of electricity by new energy scale is increasing, power generation is intermittent and fluctuation even counter regulation the problem of it is more next
It is more prominent, and compressed-air energy-storage system is considered as most promising one of extensive power energy storage technology, has storage
The advantages that energy scale is big, the storage period is long, environmental pollution is small, is the effective way for solving the problems, such as the large-scale grid connection of new energy.
For compressed-air energy storage there are many mode, China mainly carries out non-compensation combustion type compressed-air energy storage research, and main
Research direction is compressed-air energy-storage system ontology, yet there are no research report to the guarantee of peak load regulation network frequency modulation runnability is participated in.
Difference coefficient is parameter important in generating set primary frequency regulation function, embodies system frequency variation and changed power relationship,
It is very big to the stabilizing influence for maintaining system frequency, how related not yet advise is tested to compressed air energy storage power generating system at present
It is fixed.
Summary of the invention
Technical problem to be solved by the utility model is: providing a kind of compressed-air energy storage difference coefficient static test system
System, can pass through static test before unit starting, check difference coefficient part in primary frequency control system, steady to power grid
Basic guarantee is played the role of in fixed operation.
The technical solution of the utility model includes: a kind of compressed-air energy storage difference coefficient static test system, including oscillograph,
Signal generator, power signal capture card, tach signal capture card, power controller and compressed air expansion power generation system air inlet
Regulating valve, oscillograph power input ports are connect using p-wire with tach signal capture card output port, and oscillograph revolving speed is defeated
Inbound port is connect using p-wire with power controller output port；Signal generator simulates revolving speed output port and uses p-wire
It is connect with tach signal capture card input port, signal generator simulated power output port is adopted using p-wire with power signal
The connection of truck input port, power signal capture card, tach signal capture card are all made of cable and are electrically connected to power controller, function
Using electrical connection between the output of rate controller and compressed air expansion power generation system air inlet adjustment valve control port.
The utility model the utility model has the advantages that
The utility model carries out revolving speed decline step test and revolving speed using signal generator simulation revolving speed and power signal
Rise step test, analysis is carried out to output feedback by oscillograph, various process is calculated according to test data
Difference coefficient is finally compared data and judges whether test passes.Static test can be passed through before unit starting, to one
Difference coefficient part is checked in secondary frequency modulation system, plays the role of basic guarantee to power grid operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the test result recording figure of the utility model.
Specific embodiment
Embodiment 1: as shown in Figure 1, a kind of compressed-air energy storage difference coefficient static test system, including oscillograph 1, letter
Number generator 2, power signal capture card 3, tach signal capture card 4, power controller 5 and compressed air expansion power generation system into
Gas regulating valve 6,1 power input ports of oscillograph are connect using p-wire with 4 output port of tach signal capture card, oscillograph 1
Revolving speed input port is connect using p-wire with 5 output port of power controller；Signal generator 2 is simulated revolving speed output port and is adopted
Connect with p-wire with 4 input port of tach signal capture card, 2 simulated power output port of signal generator using p-wire with
The connection of 3 input port of power signal capture card, power signal capture card 3, tach signal capture card 4 are each coupled electrically to power control
Device 5, using electrical connection between the output of power controller 5 and 6 control port of compressed air expansion power generation system air inlet adjustment valve.
Oscillograph 1 is connected with 4 output end of power signal capture card using p-wire, and power signals capture card 4 is received
Output power signal；Oscillograph 1 is connected with 5 output end of power controller using p-wire, is received transmission power controller 5 and is exported
Power signal.
Signal generator 2 is connected with 3 input terminal of tach signal capture card using p-wire, and transmission signal generator 2 issues
Revolving speed analog signal；Signal generator 2 is connected with 4 input terminal of power signal capture card using p-wire, and signal is transmitted
The power analog signal that device 2 issues.
Embodiment 2: a kind of test method of compressed-air energy storage difference coefficient static test system, signal generator simulation
Power Pe, the instruction of power controller input power is Pe, recording power controller output electric current Ie, counted as power signal mark
Calculate basic value；Add revolving speed analog signal n in revolving speed acquisition measuring device with signal generatore, in power collecting measuring device
Upper plus power analog signal P0；
Revolving speed declines step test: with signal generator by revolving speed analog signal from neStep drops to n1, n1After indicating step
Revolving speed, be traditionally arranged to be 80%ne, power control circuit output signal rises to I1, I1Power after indicating revolving speed step is defeated
Signal out, records whole process with oscillograph, carries out falling-rate period difference coefficient R according to formula (1)downIt calculates:
Revolving speed analog signal is reverted to n by signal generatore；
Revolving speed rises step test: with signal generator by revolving speed analog signal from neStep is raised to n2, n2After indicating step
Revolving speed, be traditionally arranged to be 120%ne, power control circuit output signal drops to I2, I2Power after indicating revolving speed step is defeated
Signal out, records whole process with oscillograph, carries out speedup stage difference coefficient R according to formula (2)upIt calculates:
The criterion of acceptability of testing experiment is: Rdown=Rup=setting value.
As shown in Fig. 2, test signal 1 is lower step test, test signal 2 is upper step test.
A kind of compressed-air energy storage difference coefficient static test system provided by the utility model, can be before unit starting
By static test, difference coefficient part in primary frequency control system is checked, basic guarantee is played to power grid operation
Effect.
Example above description is only a specific implementation of the present invention, the protection scope of the utility model not office
It is limited to this.Be familiar with the those skilled in the art within the technical scope disclosed by the utility model, can easily find variation or
Alternative, these should be covered within the scope of the utility model.For this purpose, the protection scope of the utility model should be with
Subject to the scope of protection of the claims.
Claims (1)
1. a kind of compressed-air energy storage difference coefficient static test system, it is characterised in that: occur including oscillograph (1), signal
Device (2), power signal capture card (3), tach signal capture card (4), power controller (5) and compressed air expansion power generation system
Air inlet adjustment valve (6), oscillograph (1) power input ports are connect using p-wire with tach signal capture card (4) output port,
Oscillograph (1) revolving speed input port is connect using p-wire with power controller (5) output port；Signal generator (2) simulation
Revolving speed output port is connect using p-wire with tach signal capture card (4) input port, and signal generator (2) simulated power is defeated
Exit port is connect using p-wire with power signal capture card (3) input port, and power signal capture card (3), tach signal are adopted
Truck (4) is each coupled electrically to power controller (5), power controller (5) output and compressed air expansion power generation system air inlet tune
It saves between valve (6) control port using electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821289675.2U CN208568730U (en) | 2018-08-10 | 2018-08-10 | A kind of compressed-air energy storage difference coefficient static test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821289675.2U CN208568730U (en) | 2018-08-10 | 2018-08-10 | A kind of compressed-air energy storage difference coefficient static test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208568730U true CN208568730U (en) | 2019-03-01 |
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| CN201821289675.2U Withdrawn - After Issue CN208568730U (en) | 2018-08-10 | 2018-08-10 | A kind of compressed-air energy storage difference coefficient static test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760996A (en) * | 2018-08-10 | 2018-11-06 | 贵州电网有限责任公司 | A kind of compressed-air energy storage difference coefficient static test system and its test method |
-
2018
- 2018-08-10 CN CN201821289675.2U patent/CN208568730U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760996A (en) * | 2018-08-10 | 2018-11-06 | 贵州电网有限责任公司 | A kind of compressed-air energy storage difference coefficient static test system and its test method |
| CN108760996B (en) * | 2018-08-10 | 2024-04-26 | 贵州电网有限责任公司 | Compressed air energy storage difference adjustment coefficient static test system and test method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190301 Effective date of abandoning: 20240426 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190301 Effective date of abandoning: 20240426 |