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Blog and Updates

Transformer protection systems
By SANDIP R PATEL August 8, 2026
Learn how transformer protection systems use CTs, relays, differential protection, REF, and testing to protect critical substation assets and grid reliability.
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By SANDIP R PATEL August 7, 2026
Understand NERC PRC-029-1 ride-through requirements for IBRs in the CAISO region — voltage/frequency curves, key dates, EMT modeling, and compliance steps.
Substation grounding design with IEEE Std 80 earthing grid schematic.
By SANDIP R PATEL July 31, 2026
Learn substation grounding design using IEEE Std 80, CDEGS, soil resistivity modeling, touch and step voltage analysis, GPR, and earthing best practices.
Capacitor Banks & Power Factor Correction Design Guide
By SANDIP R PATEL July 29, 2026
Learn capacitor bank sizing, power factor correction, NEC Article 460 requirements, harmonic mitigation, protection, and installation for industrial power systems.
On-Load vs Off-Circuit Transformer Tap Changer comparison showing OLTC and OCTC voltage regulation p
By SANDIP R PATEL July 29, 2026
Learn the differences between On-Load and Off-Circuit Tap Changers, including OLTC vs OCTC operation, voltage regulation, IEEE standards, maintenance, and transformer selection.
ERCOT Form W and PUCT Part A & Part B filing guide for large load interconnection
By SANDIP R PATEL July 28, 2026
Learn the differences between the PUCT Generating Capacity Report and ERCOT Form W, including Part A vs Part B, PCLR, WLPUN, BYOG projects, and Batch Zero compliance.
PGRR144 Batch Zero and Batch 1 ERCOT grid interconnection guide with Texas transmission modeling
By SANDIP R PATEL July 28, 2026
Learn how PGRR144, Batch Zero, and Batch 1 affect ERCOT large-load interconnections, dynamic model requirements, MQT testing, PERC1, and project readiness.
ERCOT PCLR pathway showing LPC-to-MPC power access, SCED bid-cap control, large-load curtailment, an
By SANDIP R PATEL July 28, 2026
ERCOT PCLR Batch Zero large-load interconnection pathway
Delta-Star Transformer Earth Fault & Zero-Sequence Guide
By SANDIP R PATEL July 27, 2026
Learn why LV earth-fault current cannot cross a Delta-Star transformer, how zero-sequence current behaves, and what it means for protection design.
138 kV gas-insulated substation (GIS) design for compact high-voltage power systems.
By SANDIP R PATEL July 27, 2026
Learn how gas-insulated substations (GIS) improve safety, reliability, and space efficiency with 138 kV design, protection, insulation coordination, and real-world case studies.
Nuclear power plant electrical safety systems and Class I–IV power distribution architecture
By SANDIP R PATEL July 25, 2026
Learn how Class I–IV electrical systems, defence-in-depth, standby and emergency power, DC systems, protection, and load transfer ensure nuclear power plant safety.
Gas-insulated substation (GIS) engineering for safe and reliable power systems
By SANDIP R PATEL July 24, 2026
Learn GIS substation safety best practices, SOPs, commissioning, maintenance, interlocking, earthing, and testing to improve grid reliability and uptime.
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