1.Application
1) Measuring 66kV/1000mm2 cable 200m;
Test frequency:30-300Hz, Test voltage: 96kV.
2) Measuring 35kV/300mm2 cable 1000m;
Capaciance ≤0.095μF, Test frequency:30-300Hz, Test voltage: 52kV.
3) Measuring 10kV/300mm2 cable 2000m;
Capaciance ≤0.74μF, Test frequency:30-300Hz, Test voltage:22kV.
4) AC voltage withstand testing 35kV Switchgear, Insulator and Busbar;
Test frequency:30-300Hz, test voltage ≤100kV.
5) AC voltage withstand test 10kV Switchgear, Insulator and Busbar,
Test frequency:30-300Hz, test voltage ≤42kV.
6) AC withstand voltage testing 35kV Transformer,
Capacitance ≤0.02μF, test frequency:30-300Hz, test voltage:68kV.
7) AC voltage withstand testing 10KV transformer,
Test frequency: 30-300Hz, test voltage: 28KV.
Note: Frequency 45-55Hz can be setted.
2.Equipment’S Standards
-GB10229-88 Reactor
-GB1094 Power Transformer
-GB50150-2006 Standard for hand over test of electrical equipment in electrical equipment installation engineering
-DL / T 596-1996 code for preventive test of electric power equipment
-GB1094.1-GB1094.6-96 degrees of protection provided by enclosures
-GB2900 terminology of Electrical Engineering
-GB / T16927.1 ~ 2-1997 high voltage test technology
-IEC61010-1 Safety requirements for electrical equipment for measurement, control, and laboratory use -- Part 1: General requirements .
-IEC60060-1 Highvoltage test techniques – Part 1 General definitions and test requirements
3. Working Environment
1. Ambient temperature: - 15C - +45C;
2. Relative humidity: ≤90%RH;
3.Altitude: ≤2500m
4. Advantage
1) Touch screen, operation is simple;
2) Automatic frequency scanning, search for resonance point. Frequency range: 20-300hz, which can be setted manually. Frequency resolution: 0.1Hz;
3) Automatic test, the user can set the test procedure, and the system automatically completes the test process according to user’s setting;
4) During the automatic test, the resonance state of the system is tracked automatically. When the resonance state changes and exceeds the set area, the system automatically tracks the resonance point. During the whole process, the system is guaranteed to work in the optimal output state, and the frequency voltage curve is drawn during frequency modulation.
5) The voltage will be automatically tracked when the voltage is withstand voltage, and the voltage will be automatically adjusted to the target voltage when the voltage fluctuates normally, and the user will operate according to the test situation
6) Full voltage output protection: in the process of voltage regulation, strictly ensure that the variable frequency power supply will not output full voltage
7) The software is tested by strict simulation operation, and the operation is safe, stable and reliable
8) Automatically save test data, data query function, query previous test data according to query conditions;
9) LCD can display power supply voltage and current; frequency, voltage and current of high voltage output
10) Protection function: power-off, overcurrent, overvoltage and flashover protection
a) Overvoltage protection: the overvoltage protection value can be set manually; when the output voltage of the whole set of device reaches the protection setting value, the whole set of device will be cut off automatically
b) Overcurrent protection: the overcurrent protection value can be set manually; when the output current of the whole set of device reaches the protection setting value, the whole set of device will be cut off automatically
c) Breakdown protection: it has the function of discharge or flashover protection. When the high voltage side flashover to the ground, the whole set of device will be cut off automatically. It will not cause damage to the test equipment and personnel, and the electronic components in the variable frequency power supply will not break down
d) Power off protection: after the test power is cut off, the device can be protected quickly
11) The internal structure of the variable frequency power supply and its components
shall not be damaged and the fasteners shall not be loose after normal road and
railway transportation
12) The appearance and operation interface are fully humanized, beautiful and easy to operate
5.Parameters of Full System
- Rated Capacity: 108kVA;
- Rated Voltage: 0-108KV;
- Test Voltage: ≤ 100KV;
- Max Output current: 1A;
- Output frequency: 30-300Hz;
- Input Power: 220V/380V ±10 % single phase, 50Hz
- Ouput waveform: sine wave
- Waveform distortion rate: output voltage distortion ≤ 1%;
- Working time: continuous 60 minutes under rated load; 1.1 times over-voltage 1 min.
- No-load loss: 0.2% - 0.35%
- Temperature rise: ≤ 55K under rated load;
- Working Temperature: -15℃~+45℃
- Quality factors: Q ≥ 30 (f=45Hz);
- Stability: Over-current/over-voltage/Flashover protection;Auto Time;Touch Screen;
- Accuracy: RMS 1.5
6.System configuration and parameters
Sr no
|
Description
|
Specification
|
Qty
|
1
|
Control unit
|
6kW/220/380V
|
1 unit
|
2
|
Excitation Transformer
|
6KVA/1.5kV/3kv/0.4kV,
|
1 unit
|
3
|
HV Reactor
|
27kVA/27kV
|
4 units
|
4
|
Capacitance Divider
|
FRC-100kV/150pF
|
1 unit
|
5
|
Connection Cables
|
|
1 set
|
1) Controller 6KVA/380V, 1 unit
- Rated output capacity: 6KVA
- Power Supply: 220V/380V ± 10% (single phase), 50Hz
- Output Voltage: 0 - 400V, single phase;
- Rated Output Current: 15A;
- Rated Input Current: 15A
- Output wave form: sine wave
- Voltage Resolution: 0.01kV
- Voltage measurement accuracy: 0.5%
- Frequency: 30 - 300Hz
- Frequency resolution: ≤ 0.1Hz
- Frequency stability: 0.1%
- Working time: continuous 60 minutes under rated load; 1.1 times over-voltage 1 min.
- Temperature rise: ≤55K under rated load;
- Noise level: ≤ 50dB
- Size:38x40x50cm(Approx)
- Weight: 18kgs
2) Excitation Transformer 6KVA/1.5kV/3kv/0.4kV, 1 unit
- Rated capacity: 6kVA;
- Input voltage: 400V, single phase;
- Output voltage :1.5kv; 3kV;
- Frequency:30-300Hz;
- Structure: Dry Transformer,
- Size: 30x35x45cm (Approx)
- Weight: about 30kg;
3)Reactor 27KVA/27KV, 4 units
- Rated Capacity: 27kVA;
- Rated voltage: 27kV;
- Rated current: 1A;
- Induction:88H/each one
- Quality factor: Q ≥ 30 (f=45Hz);
- Structure: Dry Transformer
- Size:Height of 0.5m/each (Approx)
- Weight: 45kgs/each;
4)High Voltage Divider 100kV -150pF, 1 unit
- Rated voltage: 100KV
- High-voltage capacitance: 150pF
- Frequency:30-300Hz
- Dielectric loss: tgσ ≤ 0.5%;
- Divider ratio: 1000:1
- Accuracy: RMS 1.0;
- Size:Height of 1.2m
- Weight: about 8kg;
7.Equipment Combination connection method
COMBINATION
Device under test
|
Reactor 27kVA/27kV
(4 units)
|
Output Terminal
|
Cable 66 kV
|
Length: 200m
|
4 units in series connection
|
3kV
|
Cable 35 kV
|
Length: 1000m
|
2 units in series and
2 units in parallel
|
3kV
|
Cable 10 kV
|
Length: 2000m
|
4 units in parallel
|
1.5kV
|
35kV Switch, Tranformer, Busbar
|
4 units in series
|
3kV
|
10kV Switch, Tranformer, Busbar
|
2 units in series
|
3kV
|
8.Equipment’S standards
GB10229-88 Reactor
GB1094 Power Transformer
GB50150-2006 Standard for hand over test of electrical equipment in electrical equipment installation engineering
DL / T 596-1996 code for preventive test of electric power equipment
GB1094.1-GB1094.6-96 degrees of protection provided by enclosures
GB2900 terminology of Electrical Engineering
GB / T16927.1 ~ 2-1997 high voltage test technology
IEC61010-1 Safety requirements for electrical equipment for measurement, control, and laboratory use -- Part 1: General requirements .
IEC60060-1 High voltage test techniques – Part 1 General definitions and test requirements
9. Accessories
Sr no
|
Description
|
Qty
|
1
|
Power supply cable
|
1 pc
|
2
|
Measuring/connecting cables
|
1 set
|
3
|
Discharge rod
|
1 pc
|
4
|
Operating manual
|
1 pc
|
5
|
Calibration report
|
1 pc
|