Comprehensive Electrical Testing & Commissioning Services
iPower Switchgear delivers turnkey field testing and commissioning (T&C) services for high-voltage and low-voltage substations across India. Our certified commissioning engineers conduct rigorous pre-energization verification, secondary injection testing, contact resistance measurements, and functional scheme interlocking in strict compliance with NETA, IS 10028, and CEA Regulations.
Commissioning a new electrical substation or industrial plant requires verifying that every protective device, transformer, switchgear panel, and cable feeder operates reliably under real-world fault conditions. We deploy calibrated multi-phase injection test sets (Omicron / Megger) to ensure zero operational failure during initial plant charging.
Complete Scope of Substation & Plant Equipment Testing
- Transformer Testing & Oil Diagnostics (IS 2026 / IS 1866): Insulation resistance, polarization index, winding resistance, turns ratio (TTR), vector group verification, and oil breakdown voltage (BDV) testing.
- Circuit Breaker Diagnostics (VCB, ACB, SF6): Contact resistance measurement (CRM), breaker operating time analysis (close/open/trip-free), insulation resistance, and vacuum bottle integrity checks.
- Protection Relay Testing & Calibration: Primary and secondary injection testing of numerical protection relays (ABB, Siemens, Schneider, SEL) for overcurrent, earth fault, differential, and distance elements.
- Earthing Grid & Soil Resistivity Audits (IS 3043 / IEEE 80): 3-pole and 4-pole Fall-of-Potential earth resistance measurement, soil resistivity surveys, and step/touch potential safety audits.
- Switchgear & Busbar Testing: High-voltage dielectric withstand (Hi-Pot testing), busbar contact resistance, phase rotation checks, and scheme interlock functional testing.
Explore Specific Field Testing Services
Advanced Engineering Standards & Operational Quality
At iPower Switchgear, all Electrical Testing and Commissioning projects are executed in strict accordance with ISO 9001:2015 quality management procedures, Central Electricity Authority (CEA) safety guidelines, and applicable Indian & International standards (IS / IEC / IEEE). Our experienced team conducts on-site field audits, digital twin simulation modeling, and rigorous pre-commissioning checks to eliminate operational vulnerabilities.
Whether you are establishing a new industrial facility, upgrading existing sub-station infrastructure, or requiring emergency engineering support in Gujarat, our certified engineers deliver comprehensive technical documentation, stamped test certificates, and actionable recommendations to optimize long-term asset performance.
Pre-Commissioning Tests
Insulation resistance, continuity, polarity, and phase rotation tests before energisation.
Functional Tests
Relay secondary injection, CB timing, transformer ratio, earthing resistance measurement.
Energisation & Commissioning
Controlled energisation sequence, live measurements, protection trip verification.
Documentation & Handover
Full test reports, settings sheets, O&M manuals, and staff training handover.
Testing & Commissioning Service Scope
Relay Testing
Primary and secondary injection testing for all protection relays: overcurrent, differential, distance, earth fault, under/overvoltage. Full setting verification and TCC plotting.
Circuit Breaker Testing
Contact resistance (micro-ohm), timing (open/close/reclose), insulation resistance, trip coil/spring charge testing for ACBs, VCBs, MCCBs and OCBs.
Transformer Testing
Insulation resistance, turns ratio, vector group, magnetising current, DC resistance, winding resistance, and oil dielectric testing for distribution and power transformers.
Earthing System Testing
Earth resistance measurement (fall-of-potential, clamp-on methods), step and touch potential measurement, and earth grid compliance to IS 3043.
Control Panel Commissioning
Complete MCC, PCC, APFC panel wiring check, interlocking verification, indication, metering accuracy, and functional testing of all control circuits.
Complete Electrical System
End-to-end commissioning of a complete electrical installation: HT switchgear, transformers, LT distribution, UPS, DG sets, busducts, and field equipment.
Test Report Deliverables
- Calibrated instrument test reports for all equipment
- Relay settings register with calculated and applied values
- Circuit breaker timing and contact resistance records
- Transformer test reports with factory comparison
- Earthing resistance measurement certificates
- Punch list and deviation report with resolution tracking
- Final commissioning certificate with engineer signature
- O&M manuals, as-built SLD, and staff training record
Plan Your Testing & Commissioning Project
Contact our T&C engineers for a scope of work discussion and project quotation.