The Temperature Rise Laboratory, performs temperature rise Tests,resistance Measurements, Mechanical tests, in High Voltage, Medium Voltage and Low Voltage Electrical Materials and SF6 gas Leakage Test.
Main Tests
Temperature Rise tests performed by Temperature Rise Laboratory:
- Low-voltage switchgear and controlgear assemblies, High Voltage AC metal-enclosed switchgear and controlgear, Disconnectors and earthing switches, Load switches, Circuit-Breakers, Fuse Cut-outs 24kV, Current Transformers, Voltage Transformers, Portable earthing equipment, surge Arresters, Medium Voltage Cables: Joints, End fittings, terminations, connectors etc.
- Mechanical cable tests at high temperatures.
- Measurements of resistances.
- Insulating gas SF6 Leakage Test.
Main Equipment
- Three single-phase variable autotransformers, with output current up to 10kA.
- Data Acquisition systems (temperature, electrical quantities, etc.).
- Electromechanical aging testing layout (Cable mechanical stress at high temperatures).
- Various types of electrical measuring instruments.
- Insulating gas SF6 Leakage Tester.
Detailed Laboratory Tests and Standards Applied:
| TEMPERATURE RISE TEST ON METAL ENCLOSED SWITCHGEAR AND CONTROLGEAR FOR RATED VOLTAGE 1-52KV (GROUP B ASSEMBLY) (IEC 62271-200, IEC 62271-1) |
| TEMPERATURE RISE TEST ON METAL ENCLOSED SWITCHGEAR AND CONTROLGEAR FOR RATED VOLTAGE 1-52KV (GROUP C ASSEMBLY) (IEC 62271-200, IEC 62271-1) |
| TEMPERATURE RISE TEST ON METAL ENCLOSED SWITCHGEAR AND CONTROLGEAR FOR RATED VOLTAGE 1-52KV (GROUP A ASSEMBLY) (IEC 62271-200, IEC 62271-1) |
| TEMPERATURE RISE TEST ON LOW VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES (UP TO 2000A) (EN 61439-1) |
| TEMPERATURE RISE TEST ON LOW VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES (UP TO 2000A) WITH DISTRIBUTION (EN 61439-1) |
| TEMPERATURE RISE TEST ON LOW VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES (2001 TO 4000A) (EN 61439-1) |
| TEMPERATURE RISE TEST ON DISTRIBUTION TRANSFORMER UP TO 400KVA (IEC 60076-2) |
| TEMPERATURE RISE TEST ON DISTRIBUTION TRANSFORMER UP TO 630KVA (IEC 60076-2) |
| TEMPERATURE RISE TEST ON DISTRIBUTION TRANSFORMER UP TO1000KVA (IEC 60076-2) |
| TEMPERATURE RISE TEST ON SINGLE PHASE DISCONNECTOR (IEC 62271-100) |
| TEMPERATURE RISE TEST ON THREE PHASE DISCONNECTOR (IEC 62271-100) |
| TEMPERATURE RISE TEST ON CUT OUT (ANSI C37.41) |
| TEMPERATURE RISE TEST ON MEASUREMENT TRANSFORMER (IEC 62271-1) |
| THERMAL TEST ON LOW VOLTAGE 3Χ70+54 CABLES TENSION CLAMPS |
| THERMAL TEST ON LOW VOLTAGE 3Χ70+54 CABLES SUSPENSION CLAMPS |
| MEASUREMENT OF THE RESISTANCE ON MAIN CIRCUIT (IEC 62271-200, IEC 62271-1) |
| MECHANICAL OPERATION TESTS ON METAL ENCLOSED SWITCHGEAR AND CONTROLGEAR FOR RATED VOLTAGE 1-52KV (IEC 62271-1) |
| MECHANICAL OPERATION TESTS ON SINGLE PHASE DISCONNECTOR (IEC 62271-1) |
| MECHANICAL OPERATION TESTS ON THREE PHASE DISCONNECTOR (IEC 62271-1) |
| MECHANICAL OPERATION TESTS ON FUSE CUTOUT (ANSI C37.41) |
| VERIFICATION OF CLEARANCES AND CREEPAGE DISTANCES |
| VERIFICATION OF EFFECTIVENESS OF PROTECTION CIRCUIT |
| INTERNAL ELECTRICAL CIRCUITS AND CONNECTIONS |
| WIRING OPERATIONAL PERFORMANCE AND FUCTION |
| MECHANICAL OPERATION UP TO 5 CIRCUITS BREAKERS (200 OPERATING CYCLES ) |
| TIGHTNESS TEST (SF6 GAS) ON METAL-ENCLOSED SWITCHGEAR AND CONTROLGEAR. |
| LEAKAGE TEST SF6 GAS ON SITE. |
| TEST ELEVATION TEMPERATURE IN PANEL ΧΤ to 1000Α |
| TEST ELEVATION TEMPERATURE IN PANEL ΧΤ to 1600Α |