400kv/20kj Lightning Impulse Voltage Generator/High Voltage Impulse Voltage Test System Generator
China 400kv/20kj Lightning Impulse Voltage Generator/High Voltage Impulse Voltage Test System Generator, Find details about China Impulse Voltage Generator, Impulse Voltage Test System from 400kv/20kj Lightning Impulse Voltage Generator/High Voltage Impulse Voltage Test System Generator
Basic Info.
Model NO.
HMCJ
Number of Stage
4 (5kj Each Stage)
Rated Energy
20kj
Rated Voltage
Customise
Energy
Customise
Trademark
GDHM
Transport Package
Wooden Box with Foam Inside
Origin
Hubei, China(Mainland)
HS Code
9030339000
Model NO.
HMCJ
Number of Stage
4 (5kj Each Stage)
Rated Energy
20kj
Rated Voltage
Customise
Energy
Customise
Trademark
GDHM
Transport Package
Wooden Box with Foam Inside
Origin
Hubei, China(Mainland)
HS Code
9030339000
Product Desciption
400kV/20kj Lightning Impulse Voltage Generator
I. Scope
This lightning impulse voltage generator is suitable for standard lightning impulse voltage full wave tes of air gaps,reactor,insulator strings,bushings,power transformer and transformers .
.
II. Condition of use for Impulse Voltage Generator:
1.Altitude: ≤ 1000M
2. Environment temperature: - 5ºC~ 45ºC
3. Maximum daily temperature in deference: ≤25ºC
4. Relative humidity: ≤90% (20 ºC)
5. Earthquake resistant capacity: ≤7
6. Horizontal ground acceleration: 3.0m/s2; Vertical ground acceleration: 1.5m/s2
7. Power supply voltage waveforms for actual sine wave, waveform distortion rate: <3%
8. With a reliable grounding terminal, grounding resistance: < 0.5Ω
9. Installation location: Indoor
III. Rated parameter values of Impulse Voltage Generator:
III. Construction For Impulse Voltage Generator:
2) Oil-immersed charging transformers, transformer is without leakage of oil, primary voltage 200V, secondary voltage 42KV, rated capacitance 3KVA;
3) 2DL-100kV/100mA silicon high-voltage rectifier stack;
4) High-voltage silicon rectifier stack protection resistors enameled resistance wire wrapped around the insulation felt close drum;
5) Asymmetric double voltage charging
6) Constant current charging device: within 20% to 100% rated charge voltage range, the actual charging voltage and tuning voltage deviation ≤± 1%, charging voltage instability ≤± 1%, adjustable charging voltage accuracy:1%.
7) DC resistance divider with 100kV, 200 megohm metal resistors immersed. Low-voltage arm resistance installed in the divider bottom flange, the low voltage signal arm with shielded cable into console.
8) Automatic ground switches solenoid points and ground agencies, testing stops automatically when the main capacitor through the protection resistance grounding.
9) The charging power supply device not only can be used as impulse voltage generator, but also it can be used as DC voltage generator to generate 100kV.
2. Main body parts:
(1) Main structure looks like HIGHVOLT type "H";
(2) The body adopts multi-voltage charging circuit, each stage rated voltage 100kV;
(3)The body insulating pillar has 4 stages tower structure, each stage including MWF100-0.5 iron shell oil immersed pulse capacitor, charging resistance, wave front resistance, end wave resistance and ignition ball gap and so on, when lightning wave happened, it can select the appropriate lightning wave, wave front resistance,end wave resistance and stage number as per DUT's capacity.
(4) Single pulse capacitor: 2*2.67UF*50KV, DC voltage:100kV, capacitor residual inductance 0.15H, capacitance bushing withstand vertical pull 15kg, ensure that no damage and no oil.
(5) Wave front resistance, end wave resistance adopts slab shape structure, non inductive winding.
(6) Connectors adopts spring pressure type, convenient to adjust waveform and contact reliability;
(7) Front wave/end wave resistance supports can be used in parallel;
(8) The first ball gap uses bilateral heteropolar trigger, ball gap from second stage to the fourth stage uses three elliptical sphere gap ignition, to ensure the trigger reliability;
(9) Each stage ball gap distance make linear adjustment under low-speed permanent magnet motor driveing, low noise, non inertial, accurate, fast, control display discharge voltage corresponding to the ball distance;
(10) Ball gap distance can also be controlled by human intervention;
(11) 2 stages or multi-stages of main body can be used as in parallel;
3. Capacitive Divider:
It consists of two capacitors, rated parameters 400KV/300pF each, rated lightning impulse withstand voltage 400KV;
Divider ratio: 1000:1;
Uncertainty of measurement: < ± 1%;
4.Control unit:
Configuration of Control:
1) Tektronix TDS1012 digital double channel storage Oscilloscope as following parameters:
Input voltage <300 volts;
Bandwidth: 100MHZ;
Vertical resolution: 9bits;
Channel number: 2 storage length 10K/ per channel;
Maximum sampling rate:100MS/s
2) Computer: 1 piece
3) Printer: 1 piece
4) Automatic measurement software: 1set
5) Console and isolation filter, double shielded testing cable (more than 10 meters in length) ...
Main function of control system.
The main purpose of the control system is to control the operation of the impulse voltage generator, complete the normal charging and discharging process, all the operating parameters can be completed through the operation of the computer, and real-time monitoring of the equipment operating parameters
---control impact voltage generator bady automatically earth
---Impact times preset, polarity automatic switching and other functions
---control and display chopped wave ball gap
---The charging process of impulse voltage generator can be controlled manually or automatically,according to the test requirements,adjust the charging voltage and time, and display the value of charging voltage;
---When charging by automatic control,it can make the charging voltage rise according to the required charging curve,it is automatically stabilized on the preset charging voltage.Thus, the charging uniformity, repeatability and accuracy of test results are guaranteed.
---Can delay to trigger the chopped wavedevice ignition, the delay range is 0~9.9μs
---With door interlocking function
---With automatic grounding and safety grounding and system interlock, overcurrent and overvoltage protection functions
---Emergency stop function.
---It can be combined with computer measurement and analysis system to form an integrated operation system of measurement and control
I. Scope
This lightning impulse voltage generator is suitable for standard lightning impulse voltage full wave tes of air gaps,reactor,insulator strings,bushings,power transformer and transformers .
.
II. Condition of use for Impulse Voltage Generator:
1.Altitude: ≤ 1000M
2. Environment temperature: - 5ºC~ 45ºC
3. Maximum daily temperature in deference: ≤25ºC
4. Relative humidity: ≤90% (20 ºC)
5. Earthquake resistant capacity: ≤7
6. Horizontal ground acceleration: 3.0m/s2; Vertical ground acceleration: 1.5m/s2
7. Power supply voltage waveforms for actual sine wave, waveform distortion rate: <3%
8. With a reliable grounding terminal, grounding resistance: < 0.5Ω
9. Installation location: Indoor
III. Rated parameter values of Impulse Voltage Generator:
- Rated voltage: ±400KV
- Voltage class rating: ±100KV
- Rated energy: 20KJ
- . Total Impulse capacitance: 0.25µF
- Single stage pulse capacitor: 1µF/100KV (2*2.67μF/50KV each, total 4 pieces)
- Number of stage: 4 (5KJ each stage)
- Power Supply: 220V±10% , or 380V±10% 50/60Hz
- Impulse voltage waveform: it can give 4 lightning impulse waveform when load capacitance is below 300 ~ 2000pF:
1) Standard lightning impulse voltage full wave: 1.2/50 μ S;
2) Standard operating voltage impulse waveform: 250ms/2500ms;
3) SVC-SVG-HVDC test special operating shock wave: 20/200us;
4) SVC-SVG-HVDC test special shock wave oscillation: peak deviation ± 3%; Single peak value of oscillation and overshoot is less than the impulse waveform peak value of 5%. Lightning impulse voltage waveform parameters and its deviation shall comply with the relevant national GB311, GB/T16896.1 and GB16927 standards.
III. Construction For Impulse Voltage Generator:
1.The charging components:
1) Constant Voltage charging device, rated output voltage ±100KV, DC output: 10-100mA;2) Oil-immersed charging transformers, transformer is without leakage of oil, primary voltage 200V, secondary voltage 42KV, rated capacitance 3KVA;
3) 2DL-100kV/100mA silicon high-voltage rectifier stack;
4) High-voltage silicon rectifier stack protection resistors enameled resistance wire wrapped around the insulation felt close drum;
5) Asymmetric double voltage charging
6) Constant current charging device: within 20% to 100% rated charge voltage range, the actual charging voltage and tuning voltage deviation ≤± 1%, charging voltage instability ≤± 1%, adjustable charging voltage accuracy:1%.
7) DC resistance divider with 100kV, 200 megohm metal resistors immersed. Low-voltage arm resistance installed in the divider bottom flange, the low voltage signal arm with shielded cable into console.
8) Automatic ground switches solenoid points and ground agencies, testing stops automatically when the main capacitor through the protection resistance grounding.
9) The charging power supply device not only can be used as impulse voltage generator, but also it can be used as DC voltage generator to generate 100kV.
2. Main body parts:
(1) Main structure looks like HIGHVOLT type "H";
(2) The body adopts multi-voltage charging circuit, each stage rated voltage 100kV;
(3)The body insulating pillar has 4 stages tower structure, each stage including MWF100-0.5 iron shell oil immersed pulse capacitor, charging resistance, wave front resistance, end wave resistance and ignition ball gap and so on, when lightning wave happened, it can select the appropriate lightning wave, wave front resistance,end wave resistance and stage number as per DUT's capacity.
(4) Single pulse capacitor: 2*2.67UF*50KV, DC voltage:100kV, capacitor residual inductance 0.15H, capacitance bushing withstand vertical pull 15kg, ensure that no damage and no oil.
(5) Wave front resistance, end wave resistance adopts slab shape structure, non inductive winding.
(6) Connectors adopts spring pressure type, convenient to adjust waveform and contact reliability;
(7) Front wave/end wave resistance supports can be used in parallel;
(8) The first ball gap uses bilateral heteropolar trigger, ball gap from second stage to the fourth stage uses three elliptical sphere gap ignition, to ensure the trigger reliability;
(9) Each stage ball gap distance make linear adjustment under low-speed permanent magnet motor driveing, low noise, non inertial, accurate, fast, control display discharge voltage corresponding to the ball distance;
(10) Ball gap distance can also be controlled by human intervention;
(11) 2 stages or multi-stages of main body can be used as in parallel;
(12)The body pillars are made of glass steel material, the highest potential is used by anti-aging and corona.
3. Capacitive Divider:
It consists of two capacitors, rated parameters 400KV/300pF each, rated lightning impulse withstand voltage 400KV;
Divider ratio: 1000:1;
Uncertainty of measurement: < ± 1%;
4.Control unit:
Configuration of Control:
1) Tektronix TDS1012 digital double channel storage Oscilloscope as following parameters:
Input voltage <300 volts;
Bandwidth: 100MHZ;
Vertical resolution: 9bits;
Channel number: 2 storage length 10K/ per channel;
Maximum sampling rate:100MS/s
2) Computer: 1 piece
3) Printer: 1 piece
4) Automatic measurement software: 1set
5) Console and isolation filter, double shielded testing cable (more than 10 meters in length) ...
Main function of control system.
The main purpose of the control system is to control the operation of the impulse voltage generator, complete the normal charging and discharging process, all the operating parameters can be completed through the operation of the computer, and real-time monitoring of the equipment operating parameters
- Motion control
---control impact voltage generator bady automatically earth
---Impact times preset, polarity automatic switching and other functions
---control and display chopped wave ball gap
- Charge control
---The charging process of impulse voltage generator can be controlled manually or automatically,according to the test requirements,adjust the charging voltage and time, and display the value of charging voltage;
---When charging by automatic control,it can make the charging voltage rise according to the required charging curve,it is automatically stabilized on the preset charging voltage.Thus, the charging uniformity, repeatability and accuracy of test results are guaranteed.
- Trigger control
---Can delay to trigger the chopped wavedevice ignition, the delay range is 0~9.9μs
- Safety interlock control
---With door interlocking function
---With automatic grounding and safety grounding and system interlock, overcurrent and overvoltage protection functions
---Emergency stop function.
- Extend the functionality
---It can be combined with computer measurement and analysis system to form an integrated operation system of measurement and control
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