1 공진형 교류(AC) 내전압 시험장비
1.1 HV generator
- Rated voltage : 800kV
- Rated current : 10A(continuous) / 25A(1h)
- Rated power : 8,000kVA(continuous)
- Acoustic noise lever : < 85dB
1.2 Tuneable reactor
- Rated voltage : 800kV(400kV × 2)
- Rated current : 10A(continuous)
- Inductance range : 1:20
- Cooling : ONAN
- Acoustic noise lever : < 85dB
1.3 Power supply and Regulator
- Rated voltage : 3ph 380V, 1ph 220V
- Input power : ≤ 500kVA
- Duty : Continuous operation
- Frequency : 60Hz
- Power line filter : Include
- Main power supply filter : Include
- Power switching components
- Devices for voltage and current measurement
- Coupling relays, safety relays, fuses, etc.
- Programmable logic controller (PLC)
- Devices for overvoltage and overcurrent protection
- Control modules for power supply and control of electric drives
- ETHERNET connection
- Emergency STOP button, safety circuit, horn
1.4 AC/DC peak voltmeter
- Input voltage : 0 ~ ±1000 V
- Frequency range : DC, 10~500 Hz
- Measuring uncertainty : ≤ 0.5%
1.5 Regulating transformer
- Input power : ≤ 500kVA
- Frequency : 60 Hz
- Regulating time : 50 ~ 250s
- Type of protection : IP20 or NEMA1
- Cooling : AN or AF
- Voltage control by means of an AC-motor with a frequency converter
- Upper and lower limiting switch
- Protection of test system and test object
- The transformer input is protected
- Designed for continuous operation, but can be overloaded for short time duty
1.6 Exciter transformer
- Rated power : ≤ 500kVA
1.7 Blocking Impedance
- Protects the HV source in case of failure of the test object
- Serves as a low pass filter that blocks high frequency noises coming from the HV side to the test object
- Allows a sensitive PD measurement.
1.8 AC Voltage Divider
- Rated voltage : 800kV
- Frequency : 20~120 Hz
- Total measuring system uncertainty : < 1.5 %
- Ratiometer(IEC60060-2) : 1 set
1.9 Transient recorder
- Measuring channels : 4 (single-ended)
- Max. sampling rate : 125 MS/s
- Amplitude resolution : 14 bit
- Input voltage range : According to the output voltage of voltage divider
- Overvoltage protection
- Measuring uncertainty of Peak value : ≤ ± 1.5%
- Measuring uncertainty of Time parameters : ≤ ± 2.5%
- Sampling memory : ≥ 120 MS/ch
1.10 Software
- Adapted user interface
- Reference measurement of propagation speed
- Automatic and manual evaluation of breakdown location
- Integrated data handling module
- Import of measured data
- Integrated hardware-diagnostics
- Automatic test-sequences (configurable)
- WORD Report Generator
- Remote control with software interface

2 부분방전(PD) 측정장치(PD Measuring Devices)
2.1 AC coupling capacitor
- Rated voltage : 800kV
- Frequency : 20~200 Hz
- Capacitance : ≤ 6.25 nF
2.2 PD Measuring impedance
- Max. current : 5A
- Max. voltage of voltage signal : 60 Vpeak
- PD output : 25~18000 kHz
2.3 Sensor Unit
- Frequency 0 ~ 2.1 MHz
- Maximum voltage : 60 Vrms
- Dynamic range : 102 dB
- System noise pC < 0.015
- PD event time resolution : < 2 ns
- Max. double pulse resolution : < 200ns
2.4 PD calibrator
- Range of charge pulses : 1 ~ 100 pC

3 유전정접 측정장치(Tan delta Measurement)
3.1 Measuring bridge
- Test voltage frequency : 50/60 Hz
- Max. current through test object : ≥ 6 A
- Max. current through standard capacitor : 30 mA
- Uncertainty of capacitive measurement : ≤ ± 0.01%
- Uncertainty of phase measurement : ≤0.02 ± 2 %
- Display : pF, nF, μF, power factor
- Setting of standard capacitor : 0.1~9999.99 pF
- Initial balancing : ≤ 3~5 s
- Subsequent balancing : ≤ 0.6 s
3.2 Software for display and data
- displaying and processing the measurements
- printing, saving
- data transfer and interface
3.3 Standard capacitor
- Rated voltage : 400 kV
- Rated capacitance C1, C2 : According to the test object
- Tan delta(max.) : 1.0E-05
- Tolerance of the capacitance : ≤ ± 5%
- Measuring uncertainty (max.) of C1-measurement : ≤ 0.1%
- Installation : indoor
4 Control system
4.1 Main function
- Main/operating switch on/off
- Status indication of main/operating switch
- Warning and error messages of the test system
- Current increase/decrease
- Pre-selection of test temperature or test current and test time
- Pre-selection of two regulating speeds
- Display of temperature and current limits
- Password protection
4.1 Power supply
- Rated voltage : 220V
- Frequency : 60Hz
- Interface : ETHERNET, fiber optic
4.2 Remote control PC
- Central processing unit with up-to-date clock frequency
- Working memory (RAM) with up-to-date capacity
- Hard disk with up-to-date capacity
- Network adapter: 10/100 Mbit, optical
- MS operating system (English)
- Stand-alone display
- Wireless Keyboard
- MS-Office(English)
- Uninterruptible power supply
- Platform software
4.3 Safety measures
- Red and green signal light
- Emergency STOP button
- Earthing devices
4.4 Control and measuring cables
- length : ≥ 100 m