CN209369887U - A kind of PWR steam generator model time constant test macro - Google Patents
A kind of PWR steam generator model time constant test macro Download PDFInfo
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- CN209369887U CN209369887U CN201822118036.6U CN201822118036U CN209369887U CN 209369887 U CN209369887 U CN 209369887U CN 201822118036 U CN201822118036 U CN 201822118036U CN 209369887 U CN209369887 U CN 209369887U
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Abstract
The utility model relates to grid stability modeling and analyzing fields, more particularly to a kind of PWR steam generator model time constant test macro, including PWR steam generator primary Ioops coolant inlet temperature measuring device, PWR steam generator primary Ioops coolant outlet temperature measuring device, steam turbine pitch openness measuring device, generator power measuring device, steam generator outlet secondary circuit vapor (steam) temperature measuring device, steam generator outlet secondary circuit steam pressure measuring device, data acquisition device, the measurement data of each measuring device is acquired by data acquisition device, it is mutated by high-pressure governing valve aperture, using the measurement data of each measuring device of data acquisition device record high-pressure governing valve mutation front and back, and then determine the time constant of PWR steam generator model, the utility model can be obtained accurately The time constant of PWR steam generator model calculates required parameter, has filled up current technical blank.
Description
Technical field
The utility model relates to grid stability modeling and analyzing fields, and in particular to a kind of PWR steam generator
Model time constant test macro.
Background technique
Nuclear power unit steam generator is bridge of the primary Ioops heat transfer to secondary circuit.Steam generator is cold by primary Ioops
But agent average temperature model, U-shaped metal tube heat transfer model and secondary circuit steam pressure model three parts composition.Steam generation
Device time constant reflection reactor energy is converted to the response condition of primary Ioops steam energy, accurately obtains these time constants,
Generating set power adjuster is played an important role.However there is no to steam generator time constant test macro at present
Related report.
Nuclear power unit capacity is big, secondary circuit main steam condition temperature and pressure is relatively low, and the reactor energy passes through steam
Generator is transmitted to secondary circuit main steam, accurately obtains steam generator time constant, nuclear steam turbine can be instructed to hair
The adjusting rhythm of the electric power of the assembling unit, it is existing to prevent that toning from occurring in generator power, regulated quantity is insufficient and adjustment process is unstable etc.
As.And there is not the test macro of a set of test vapor generator model time constant also at present.
Summary of the invention
To solve the above-mentioned problems, the utility model provides a kind of PWR steam generator model time constant test
System, specific technical solution are as follows:
A kind of PWR steam generator model time constant test macro, wherein model steam generator is by primary Ioops
Coolant average temperature module, U-shaped metal tube heat transfer module and secondary circuit steam pressure module three parts are sequentially connected group
At, including PWR steam generator primary Ioops coolant inlet temperature measuring device, PWR steam generator primary Ioops are cold
But agent outlet temperature measuring device, steam turbine pitch openness measuring device, generator power measuring device, steam generator outlet
Secondary circuit vapor (steam) temperature measuring device, steam generator outlet secondary circuit steam pressure measuring device, data acquisition device；
The PWR steam generator primary Ioops coolant inlet temperature measuring device is for measuring presurized water reactor steam hair
The temperature of raw device primary Ioops coolant entrance,
PWR steam generator primary Ioops coolant outlet temperature measuring device is for measuring PWR steam generator
The temperature of primary Ioops coolant outlet；
Steam turbine pitch openness measuring device is for measuring steam turbine pitch aperture；
Generator power measuring device is used to measure the power of generator；
Steam generator outlet secondary circuit vapor (steam) temperature measuring device is for measuring steam generator outlet secondary circuit steam
Temperature；
Steam generator outlet secondary circuit steam pressure measuring device is for measuring steam generator secondary circuit outlet vapor
Pressure；
The data acquisition device for acquire PWR steam generator primary Ioops coolant inlet temperature measuring device,
PWR steam generator primary Ioops coolant outlet temperature measuring device, steam turbine pitch openness measuring device, generator function
Rate measuring device, steam generator outlet secondary circuit vapor (steam) temperature measuring device, steam generator outlet secondary circuit steam pressure
The measurement data of measuring device；The data acquisition device respectively with PWR steam generator primary Ioops coolant inlet temperature
Measuring device, PWR steam generator primary Ioops coolant outlet temperature measuring device, steam turbine pitch openness measuring device,
Generator power measuring device, steam generator outlet secondary circuit vapor (steam) temperature measuring device, steam generator outlet secondary circuit
The connection of steam pressure measuring device.
Preferably, the PWR steam generator primary Ioops coolant inlet temperature measuring device is direct using narrow range
Immersive resistor thermometer measure；The narrow range is directly immersed in formula resistance thermometer and is vertically mounted on corresponding pipeline.
Preferably, the PWR steam generator primary Ioops coolant outlet temperature measuring device is direct using narrow range
Immersive resistor thermometer measure；The narrow range is directly immersed in formula resistance thermometer and is vertically mounted on corresponding pipeline.
Preferably, steam generator outlet secondary circuit vapor (steam) temperature measuring device includes temperature sleeves and temperature measurement member
Part；The temperature sleeves are vertically mounted on steam generator secondary circuit steam (vapor) outlet pipeline, the temperature-measuring element installation
In in temperature sleeves.
Preferably, the temperature-measuring element uses E type thermocouple.
Preferably, the steam generator outlet secondary circuit steam pressure measuring device includes pressure samples pipe, pressure change
Send device；The pressure samples pipe is mounted on steam generator secondary circuit outlet conduit, and the pressure samples pipe is used for steam
The pressure signal of generator secondary circuit outlet vapor is transmitted to pressure transmitter；The pressure transmitter is used for steam generator
The pressure signal of secondary circuit outlet vapor is converted into measurable DC signal.
Preferably, the steam turbine pitch openness measuring device includes displacement sensor, and institute's displacement sensors are mounted on
On steam turbine pitch oil motor valve rod.
Preferably, the generator power measuring device includes current transformer, voltage transformer, power transducer；Institute
Current transformer is stated for power transducer will to be delivered to after the electric current conversion of the stator output of generator；The voltage transformer
For power transducer will to be delivered to after the voltage conversion of the stator output of generator；The power transducer is used for according to electric current
Mutual inductor, the electric current of voltage transformer conveying, voltage data calculate the power of generator.
Preferably, the data acquisition device uses EIC-02L type data collection system.
The utility model has the following beneficial effects: the utility model includes PWR steam generator primary Ioops coolant entrance
Temperature measuring device, PWR steam generator primary Ioops coolant outlet temperature measuring device, steam turbine pitch aperture measurement
Device, generator power measuring device, steam generator outlet secondary circuit vapor (steam) temperature measuring device, steam generator outlet two
Circuit steam pressure measuring device, data acquisition device, the measurement data of each measuring device is acquired by data acquisition device,
It is mutated by high-pressure governing valve aperture, using the measurement of each measuring device of data acquisition device record high-pressure governing valve mutation front and back
Data, and then determine the time constant of PWR steam generator model.The utility model can accurately obtain presurized water reactor steam
The time constant of generator model calculates required parameter, mentions for the accurate time constant for obtaining PWR steam generator model
Required parameter has been supplied, current technical blank has been filled up.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
In order to better understand the utility model, the utility model is made in the following with reference to the drawings and specific embodiments further
Illustrate:
As shown in Figure 1, model steam generator is by primary Ioops coolant average temperature module, U-shaped metal tube heat transfer
Module and secondary circuit steam pressure module three parts are sequentially connected composition, and primary Ioops coolant average temperature module includes pressure stabilizing
Device, coolant pump；U-shaped metal tube heat transfer module includes steam generator；Secondary circuit steam pressure module include high pressure cylinder,
Condenser system, reheater, low pressure (LP) cylinder；Coolant pump is connect with nuclear reactor, voltage-stablizer, steam generator by pipeline respectively；
Voltage-stablizer is connect with nuclear reactor, steam generator by pipeline respectively；Steam generator is logical with high pressure cylinder, condenser system respectively
Piping connection；High pressure cylinder, reheater, low pressure (LP) cylinder are connected each other by pipeline；Low pressure (LP) cylinder connects with condenser system, generator respectively
It connects.High-pressure governing valve is set in the connecting pipe of high pressure cylinder and steam generator.
A kind of PWR steam generator model time constant test macro includes that PWR steam generator primary Ioops are cold
But agent inlet temperature measuring device 1, PWR steam generator primary Ioops coolant outlet temperature measuring device 2, steam turbine tune
Door openness measuring device 5, steam generator outlet secondary circuit vapor (steam) temperature measuring device 3, steams at generator power measuring device 6
Vapour generator exports secondary circuit steam pressure measuring device 4, data acquisition device 10.
PWR steam generator primary Ioops coolant inlet temperature measuring device 1 is for measuring PWR steam generator
The temperature of primary Ioops coolant entrance, PWR steam generator primary Ioops coolant inlet temperature measuring device 1 use narrow amount
Journey is directly immersed in the measurement of formula resistance thermometer；Narrow range is directly immersed in formula resistance thermometer and is vertically mounted on corresponding pipeline.It is narrow
Range is directly immersed in formula resistance thermometer using one in N9355S-1B thermometer, KN615-S41CB-276S-S1 thermometer
Kind.
PWR steam generator primary Ioops coolant outlet temperature measuring device 2 is for measuring PWR steam generator
The temperature of primary Ioops coolant outlet；PWR steam generator primary Ioops coolant outlet temperature measuring device 2 uses narrow amount
Journey is directly immersed in the measurement of formula resistance thermometer；Narrow range is directly immersed in formula resistance thermometer and is vertically mounted on corresponding pipeline.It is narrow
Range is directly immersed in formula resistance thermometer using one in N9355S-1B thermometer, KN615-S41CB-276S-S1 thermometer
Kind.
Steam turbine pitch openness measuring device 5 is for measuring steam turbine pitch aperture；Steam turbine pitch openness measuring device 5
Including displacement sensor, displacement sensor is mounted on steam turbine pitch oil motor valve rod.Wherein, the range of displacement sensor is
0-500mm, output voltage are -5V ~+5V or+1 ~+5V.
Generator power measuring device 6 is used to measure the power of generator；Generator power measuring device 6 includes that electric current is mutual
Sensor 7, voltage transformer 8, power transducer 9；It is defeated after the electric current conversion that current transformer 7 is used to export the stator of generator
It send to power transducer；Voltage transformer 8 is used to be delivered to power transducer after converting the voltage that the stator of generator exports；
The function of electric current, voltage data calculating generator that power transducer 9 is used to be conveyed according to current transformer 7, voltage transformer 8
Rate, power transducer 9 use FPWT-201 type power transducer.
Steam generator outlet secondary circuit vapor (steam) temperature measuring device 3 is for measuring steam generator outlet secondary circuit steam
Temperature；Steam generator outlet secondary circuit vapor (steam) temperature measuring device 3 includes temperature sleeves and temperature-measuring element；Temperature set
Pipe is vertically mounted on steam generator secondary circuit steam (vapor) outlet pipeline, and temperature-measuring element is installed in temperature sleeves, temperature
Measuring cell uses E type thermocouple.
Steam generator outlet secondary circuit steam pressure measuring device 4 is for measuring steam generator secondary circuit outlet vapor
Pressure；Steam generator outlet secondary circuit steam pressure measuring device 4 includes pressure samples pipe, pressure transmitter；Pressure takes
Sample pipe is mounted on steam generator secondary circuit outlet conduit, and pressure samples pipe is used for steam generator secondary circuit outlet vapor
Pressure signal be transmitted to pressure transmitter；Pressure transmitter is used for the pressure signal of steam generator secondary circuit outlet vapor
It is converted into the DC signal of measurable -5 ~+5V or+1 ~+5V.Pressure transmitter uses EJA series of pressure transmitters.
Data acquisition device 10 for acquire PWR steam generator primary Ioops coolant inlet temperature measuring device 1,
PWR steam generator primary Ioops coolant outlet temperature measuring device 2, steam turbine pitch openness measuring device 5, generator
Power-measuring device 6, steam generator outlet secondary circuit vapor (steam) temperature measuring device 3, steam generator outlet secondary circuit steam
The measurement data of device for pressure measurement 4, data acquisition device 10 use EIC-02L type data collection system.
Data acquisition device 10 respectively with PWR steam generator primary Ioops coolant inlet temperature measuring device 1, pressure
Water-water reactor steam generator primary Ioops coolant outlet temperature measuring device 2, steam turbine pitch openness measuring device 5, generator function
Rate measuring device 6, steam generator outlet secondary circuit vapor (steam) temperature measuring device 3, steam generator outlet secondary circuit vapour pressure
Force measuring device 4 is connected by wired or wireless mode.
The working principle of the utility model are as follows:
(1) measuring instrumentss are installed and are debugged normal without material unit outage state in reactor；
(2) after reactor loading, simultaneously on-load, turbine high-pressure governing valve are in stable state, give for nuclear power unit starting
One step of high-pressure governing valve instruction, make high-pressure governing valve aperture be mutated, generating set power also thus be mutated, high-pressure governing valve aperture mutation
100 milliseconds of time is kept afterwards；R stick and G stick stroke remain unchanged during test, and heat output of reactor is also constant；
(3) preceding 200 milliseconds of log-on data acquisition devices 10 are instructed to one step of high-pressure governing valve, acquires presurized water reactor steam generation
Device primary Ioops coolant inlet temperature, PWR steam generator primary Ioops coolant outlet temperature, steam turbine pitch aperture, hair
Power of motor, steam generator outlet secondary circuit vapor (steam) temperature, steam generator outlet secondary circuit steam pressure；
(4) high-pressure governing valve mutation leads to the mutation of secondary circuit main steam pressure, initiation reaction reactor coolant inlet temperature and
The variation of outlet temperature, steam generator coolant inlet temperature and outlet temperature also accordingly change, and pass through least square
Method makes the consistent of simulation curve and measured data, so that it is determined that model steam generator time constant.
The utility model be not limited to more than specific embodiment, the above is only the preferable case study on implementation of the utility model
, it is not intended to limit the utility model, it is any modification made within the spirit and principle of the present invention, equivalent
Replacement and improvement etc., should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of PWR steam generator model time constant test macro, wherein model steam generator is cold by primary Ioops
But agent mean temperature module, U-shaped metal tube heat transfer module and secondary circuit steam pressure module three parts are sequentially connected composition,
It is characterized by comprising PWR steam generator primary Ioops coolant inlet temperature measuring devices (1), presurized water reactor steam generation
Device primary Ioops coolant outlet temperature measuring device (2), steam turbine pitch openness measuring device (5), generator power measurement dress
Set (6), steam generator outlet secondary circuit vapor (steam) temperature measuring device (3), the survey of steam generator outlet secondary circuit steam pressure
Measure device (4), data acquisition device (10)；The PWR steam generator primary Ioops coolant inlet temperature measuring device
(1) for measuring the temperature of PWR steam generator primary Ioops coolant entrance, PWR steam generator primary Ioops are cooling
Agent outlet temperature measuring device (2) is used to measure the temperature of PWR steam generator primary Ioops coolant outlet；Steam turbine tune
Door openness measuring device (5) is for measuring steam turbine pitch aperture；Generator power measuring device (6) is for measuring generator
Power；Steam generator outlet secondary circuit vapor (steam) temperature measuring device (3) is for measuring steam generator outlet secondary circuit steam
Temperature；Steam generator outlet secondary circuit steam pressure measuring device (4) is steamed for measuring the outlet of steam generator secondary circuit
The pressure of vapour；The data acquisition device (10) is for acquiring the measurement of PWR steam generator primary Ioops coolant inlet temperature
Device (1), PWR steam generator primary Ioops coolant outlet temperature measuring device (2), steam turbine pitch aperture measurement dress
Set (5), generator power measuring device (6), steam generator outlet secondary circuit vapor (steam) temperature measuring device (3), steam generation
Device exports the measurement data of secondary circuit steam pressure measuring device (4)；The data acquisition device (10) is steamed with presurized water reactor respectively
Vapour generator primary Ioops coolant inlet temperature measuring device (1), PWR steam generator primary Ioops coolant outlet temperature
Measuring device (2), steam turbine pitch openness measuring device (5), generator power measuring device (6), steam generator outlet two
Circuit vapor (steam) temperature measuring device (3), steam generator outlet secondary circuit steam pressure measuring device (4) connection.
2. a kind of PWR steam generator model time constant test macro according to claim 1, it is characterised in that:
The PWR steam generator primary Ioops coolant inlet temperature measuring device (1) is directly immersed in formula resistance temperature using narrow range
Degree meter measurement；The narrow range is directly immersed in formula resistance thermometer and is vertically mounted on corresponding pipeline.
3. a kind of PWR steam generator model time constant test macro according to claim 1, it is characterised in that:
The PWR steam generator primary Ioops coolant outlet temperature measuring device (2) is directly immersed in formula resistance temperature using narrow range
Degree meter measurement；The narrow range is directly immersed in formula resistance thermometer and is vertically mounted on corresponding pipeline.
4. a kind of PWR steam generator model time constant test macro according to claim 1, it is characterised in that:
Steam generator outlet secondary circuit vapor (steam) temperature measuring device (3) includes temperature sleeves and temperature-measuring element；The temperature set
Pipe is vertically mounted on steam generator secondary circuit steam (vapor) outlet pipeline, and the temperature-measuring element is installed in temperature sleeves.
5. a kind of PWR steam generator model time constant test macro according to claim 4, it is characterised in that:
The temperature-measuring element uses E type thermocouple.
6. a kind of PWR steam generator model time constant test macro according to claim 1, it is characterised in that:
The steam generator outlet secondary circuit steam pressure measuring device (4) includes pressure samples pipe, pressure transmitter；The pressure
Probe tube is mounted on steam generator secondary circuit outlet conduit, and the pressure samples pipe is for going out steam generator secondary circuit
The pressure signal of mouth steam is transmitted to pressure transmitter；The pressure transmitter is used for steam generator secondary circuit outlet vapor
Pressure signal be converted into measurable DC signal.
7. a kind of PWR steam generator model time constant test macro according to claim 1, it is characterised in that:
The steam turbine pitch openness measuring device (5) includes displacement sensor, and institute's displacement sensors are mounted on steam turbine pitch oil
On motivation valve rod.
8. a kind of PWR steam generator model time constant test macro according to claim 1, it is characterised in that:
The generator power measuring device (6) includes current transformer (7), voltage transformer (8), power transducer (9)；The electricity
Current transformer (7) is used to be delivered to power transducer after converting the electric current that the stator of generator exports；The voltage transformer
(8) power transducer is delivered to after the voltage conversion for exporting the stator of generator；The power transducer (9) is used for root
The electric current, the voltage data that convey according to current transformer (7), voltage transformer (8) calculate the power of generator.
9. a kind of PWR steam generator model time constant test macro according to claim 1, it is characterised in that:
The data acquisition device (10) uses EIC-02L type data collection system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822118036.6U CN209369887U (en) | 2018-12-17 | 2018-12-17 | A kind of PWR steam generator model time constant test macro |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822118036.6U CN209369887U (en) | 2018-12-17 | 2018-12-17 | A kind of PWR steam generator model time constant test macro |
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| CN209369887U true CN209369887U (en) | 2019-09-10 |
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