Cable Testing
A substation can only be as reliable as the cable feeding it. We run condition-based cable testing on medium-voltage feeders, terminations, and splices — with results that engineers can actually act on, not just pass-fail.
- VLF tan delta and dissipation factorIEEE 400.2
- Offline partial discharge surveyIEEE 400.3 / IEEE 400.4
- Polarization index and insulation resistance
- DC HiPot withstand testingIEEE 400.1
- Cable identification and phasing
- Termination and splice inspection
IEEE 400 (parts 1, 2, 3, 4) · IEEE 510 · NFPA 70B
Shielded power cable from 5 kV through 35 kV. EPR, XLPE, and PILC constructions. New and aged cable.
Every visit ends with a documented report: raw test data, calibrated instrument records, anomaly findings with severity ranking, photos, and a clear recommended-action list. Trends are tracked across visits.
Send a scope or a list of assets and we’ll respond within one business day with crew availability and a proposal.
Documented acceptance tests on new substation equipment before energization.
NFPA 70B and IEEE-aligned periodic testing to keep substation equipment in service.
DGA, oil quality analysis, TTR, Doble power factor, and SFRA on power transformers.
Contact resistance, timing, HiPot, and primary injection on oil, vacuum, and air breakers.
Thermographic surveys of energized substations with documented anomaly reports.
IEEE 450 / 1188 testing on station batteries, chargers, and DC distribution.
24/7 availability with same-day or next-day field dispatch.
Routine and detailed walkdowns — safety, asset condition, NERC PRC-005 readiness.