11KV–66KV Electrical Services
SK Enterprises is an electrical services company specializing in 11KV–66KV substation testing, commissioning, and maintenance across North India.
- VCB, ACB, transformer, HT/LT panel testing and commissioning
- On-site oil filtration, relay calibration, and cable termination
- New Delhi NCR base with North India mobilisation within 24 hours
- ISO 9001:2015 processes and NABL-aligned test reports
- 15+ years and 500+ industrial substation projects completed
Trusted by Industrial Plants
CERTIFIED SAFETY
15+
Years Experience
500+
Projects Completed
25+
Certified Engineers
Within 24h
Response Window
NABL-Aligned Substation
Diagnostic Protocols
Precision VCB Testing
Contact resistance and timing tests using high-frequency oscillography.
Transformer Oil Health
On-site BDV and DGA sampling with sub-12 hour report turnaround.
Relay Coordination
Digital secondary injection testing for complex PROTECTION logic.
11KV–66KV Service Portfolio
SK Enterprises tests, services, and commissions substation equipment so plants stay online.
Core work:
- Vacuum and air circuit breaker servicing, timing, and contact resistance tests
- Transformer installation, TTR, winding resistance, and oil BDV diagnostics
- HT/LT panel commissioning, bus-bar maintenance, and protection checks
- Relay calibration, CT/PT testing, and cable termination / jointing
- Annual maintenance contracts with documented test reports
Vacuum Circuit Breaker (VCB) Services
11KV–66KV VCB servicing, repair, installation, contact resistance testing, timing tests, and commissioning for industrial substations across Delhi NCR and North India.
Air Circuit Breaker (ACB) Services
ACB overhauling, contact resistance and Hi-Pot testing, trip unit calibration, retrofitting, and preventive maintenance for industrial LT switchgear across Delhi NCR and North India.
Transformer Services
11KV–66KV transformer installation, testing (TTR, IR, winding resistance, magnetic balance), oil BDV testing, and preventive maintenance across Delhi NCR and North India.
HT Panel Services
11KV–66KV HT panel testing, commissioning, breaker timing, protection relay checks, bus bar maintenance, and panel modernization across Delhi NCR and North India.
LT Panel Services
LT panel functional testing, load balancing, MCCB trip testing, thermal imaging, insulation resistance checks, and preventive maintenance across Delhi NCR and North India.
Relay Calibration & Testing
IDMT relay calibration, secondary and primary injection testing, numerical relay programming, and protection scheme verification across Delhi NCR and North India.
PT & CT Services
PT and CT ratio, polarity, burden, and saturation testing for accurate metering and protection on 11KV–66KV systems across Delhi NCR and North India.
Transformer Oil Filtration & Dehydration
On-site transformer oil filtration, vacuum dehydration, and BDV testing to restore dielectric strength for all transformer types across Delhi NCR and North India.
Cable End Termination
HT/LT cable termination, jointing, Hi-Pot and insulation testing, and fault location for LT to 66KV cables across Delhi NCR and North India.