- ISO 9001 Certified
- 60+ Countries
- Made in India
- Warranty Backed
PERCENTAGE BIASED GENERATOR DIFFERENTIAL RELAY
Description & Technical Specification
Three‐phase percentage biased differential protection relay for generators and rotating machines, with stator earth fault or restricted earth fault element. Measurement of the System‐frequency differential current with DC offset and harmonic components rejection • Phase Differential protection
• Dual slope programmable percentage bias curve
•Earth Fault or Restricted Earth Fault protection
• Harmonic Restraint
• Phase Overcurrent protection
• Breaker Failure protection
• Fn = System frequency : (50 ‐ 60)Hz
• In = Rated primary current of phase
CTs : (1 ‐ 9999)A, step 1A, Electrical Power Engineering Laboratory
Trusted by Ministries, Institutions & Industrial Buyers
For over four decades, Naugra has manufactured and exported workshop tools, laboratory equipment and turnkey training solutions to engineering colleges, TVET institutions, government tenders and industrial buyers across 60+ countries.
Manufacturer-Direct Pricing
Supplied directly from our manufacturing facility — no intermediaries, competitive export pricing and responsive technical support.
ISO 9001 Quality
ISO 9001:2015 quality management, CE compliance and calibration certificates accompany every shipment for procurement and audit compliance.
Tender & Export Experience
Registered vendor for World Bank, ADB, AfDB, UN and Exim Bank-funded tenders. Full bid-preparation, EMD and performance-guarantee support.
Installation & Training
On-site installation, commissioning, operator training and 12-month warranty cover included for institutional orders.
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