At GK Expertise, we specialize in providing comprehensive electrical substation services, ensuring reliability, efficiency, and compliance with industry standards. Our expertise covers:
Supporting Substation Services
- Substation Repair & Maintenance
- Substation Testing & Commissioning
- Substation Automation System Testing & Commissioning
- Transformer Repair & Servicing
- Industrial Circuit Breaker Repair
- Protection Testing
- Secondary Substation Testing

Substation Design & Engineering
We provide detailed substation design and engineering solutions that meet IEC, IEEE, and global standards. From single-line diagrams to detailed protection schemes, our designs ensure maximum reliability and optimized performance.
Control & Relay Panel Manufacturing & Integration
Our in-house facility delivers custom-built Control & Relay Panels, fully integrated with advanced protection systems. Each panel is tested, calibrated, and configured for seamless substation operation.
Substation Testing & Commissioning
We offer comprehensive testing and commissioning services to validate the performance and safety of substations. Our team ensures smooth energization and flawless system integration.
Protection System Studies
We conduct detailed Relay Coordination, Load Flow, Short Circuit, and Arc Flash Studies to ensure reliable protection, system stability, and personnel safety under all fault conditions.
Transformer Installation, Testing & Maintenance
Our experts handle transformer erection, testing, oil analysis, and preventive maintenance, ensuring long service life and uninterrupted operation.
Circuit Breaker Testing & Maintenance
We perform mechanical and electrical testing of circuit breakers, including timing, contact resistance, and insulation checks, to maintain safe switching operations.
Protection Relays Testing & Calibration
Our team provides testing, calibration, and setting verification of protection relays, ensuring precise fault detection and system protection.
SCADA & Automation Integration
We deliver SCADA, PLC, and automation integration solutions for remote monitoring and control of substations, improving reliability, visibility, and operational efficiency.
Grounding System Study & Analysis
We conduct grounding and earthing system analysis including Ground Potential Rise (GPR) studies, ensuring personnel safety and equipment protection during fault events.
HV / EHV Cable Testing & Termination
Our team specializes in testing, termination, and commissioning of HV/EHV power cables, ensuring safe and reliable energy transmission.
Switchgear Installation & Testing (LV/MV/HV)
We offer installation, testing, and maintenance of switchgear across LV, MV, and HV applications, ensuring system stability and safe operations.
Busbar Protection & Control Services
Our experts implement busbar protection schemes with advanced relays and controls, ensuring reliable power distribution and fault isolation.
Substation Retrofit & Upgradation Services
We provide retrofit and modernization solutions for existing substations, upgrading protection systems, relays, and panels to meet today’s technology standards.
Preventive & Predictive Maintenance
Our preventive and predictive maintenance programs help identify potential issues before they become failures, minimizing downtime and maximizing asset life.
Emergency Breakdown Services
We offer 24/7 emergency breakdown services, ensuring quick fault diagnosis, repair, and restoration of power systems.
IEC/IEEE Compliance & Safety Audits
We ensure your substation operates to the highest benchmarks by performing compliance evaluations and safety audits in accordance with IEC and IEEE standards.
For expert Electrical Substation Testing and Commissioning, Protection and Automation, and Operation and Maintenance services, contact GK Expertise today Call us +91 99947 14461 or Mail us enquiry@gkexpertise.com. to discuss your project requirements!