Testing Facilities

High-power Laboratory (Generator Source)

• SHORT-CIRCUIT GENERATOR
  • 3-phase, 85MVA, 18kV
  • 2-pole, 60HZ, 3600rpm
  • Initial short-circuit capacity 1600MVA

• MV TESTING TRANSFORMERS
  • single-phase, 30MVA
  • 18kV/4.3 ~ 44.7kV
  • 6 units
• MV SHORT-CIRCUIT TESTING CAPACITY
  • 3-phase, 1120MVA

High-Power Laboratory (Network source)

• SYSTEM CAPACITY
  • 3-phase, 20MVA, 154kV/22.9kV
• LOAD EQUIPMENTS
  • 3-phase, 660V-4800A

• TESTING CAPACITY
  • 3-phase, 660V-35kA,460V-25kA, 220V-18kA, 110V-10kA
• SHORT-CIRCUIT TESTING TRANSFORMERS
  • 3-phase, 3MVA
  • 22.9kV/660-460-220-110V

High Voltage Testing Facility

• POWER FREQUENCY VOLTAGE TEST
  • 100kV-0.5A
• LIGHTNING IMPULSE VOLTAGE TEST
  • 400kV-10kJ

Reliability Testing Laboratory

• ENVIRONMENTAL TEST
  • SO2, Salt-fog, water-fog
  • Impulse(12kV), Vibration
  • Impact, Harmonics

• OVER-CURRENT TEST
• TEMPERATURE-RISE TEST
• OUTDOOR-EXPOSURE TEST
• EARTH-LEAKAGE CURRENT TEST

• AC & DC current & voltage
• Temperature
• Length
• Weight

Available Tests

Power Testing & Technology Institute (PT&T)

• Certificate of Type test
  Test all manufacturer proclaimed rated characteristics and performances for official standards.
• Certificate of Performance test
  Test a part of manufacturer proclaimed rated characteristics and performances for official standards.
• Reference test
  Test characteristics and performances for the references provided by customers.
• Type of test

Type of test

	MV TEST					LV TEST
	Switch Gear / GIS	VCB/ GCB	Switch & combination S/W	Transformer	Power fuse	Switch	ELCB	Magnetic Switch	OCR/ WHM
Electro-mechanical Test
Insulation Performance Test
Short-circuit Strength Test
Short-circuit Making & breaking Test
Switching Test
Mechanical Life Test
Temperature-rise Test
Partial discharge Test
Environmental Test

Standards Recognition

Type of Test Reports

Laboratory Recognition

KOLAS - accredited testing and calibration laboratory (Korea Laboratory Accreditation Scheme per ISO 17025)
Other Certification Bodies KEMA, CESI, UL etc. are in close cooperative relation Registered testing laboratory for electrical appliances safety certification

R&D Activity

Development of voltage sensor embedded epoxy busing for SF6 gas switch

• Electrical/mechanical interface technology.
• Research on the shape of optimal conductor and insulator (capacity analysis, electrical field analysis)
• Characteristics analysis and design of voltage detection element.
• Evaluation of the partial discharge test results of the prototype.
• Modification of shape design and improvement of detection element.
• Research on noise reduction technologies.

Artificial fault generator

Development of artificial fault generator.
Development of communications system for remote control and supervision.
Development of measurement system (with software for control, measurement, and analysis)

Research on technologies for the remote sensing of abnormal conditions of power.
transmission and distribution facilities through the use of thermal image cameras

Development of diagnosis algorithm for conductors and insulators.
Development of application software( thermal image analysis)

Regowski coil

Shielding and filtering technology for noise reduction.
Integrator design technology for the detection of DC component of the short circuit current.
Coil design technology(number of turns, selection of optimal mutual inductance, and Interface design)

Transformer testing laboratory design and construction

Korea Electric Power Company(KEPCO) ordered project.
500kwa 23kw transformers testing capacity.
Computerized data acquisition, processing and reporting.