03
2026-11
Gas-Insulated PVT Technology Advances Substation Power Supply
The modernization of high-voltage substations is creating new demands for compact, reliable, and efficient auxiliary power equipment. As transmission networks expand into remote regions and renewable energy installations, utilities are exploring alternative ways to provide dependable electricity for essential substation operations.
01
2026-11
Capacitive Voltage Transformers Advance Grid Reliability
A capacitive voltage transformer (CVT) uses a capacitive voltage divider combined with an electromagnetic unit to reduce high primary voltage to a standardized secondary voltage. This allows measuring instruments, protective relays, and control systems to receive accurate voltage signals.
30
2026-10
High voltage current transformer replacement checklist for substations
A complete high voltage current transformer replacement checklist for substations—covering ANSI/IEEE C57.13 vs IEC 61869-2 accuracy classes, 72.5kV–550kV insulation types, CT ratio and burden selection, secondary open-circuit safety, procurement data, and step-by-step installation verification for U.S. engineers.
31
2026-10
Station Service Voltage Transformers Support Modern Substations
A station service voltage transformer is designed to convert high-voltage electrical energy into usable low-voltage power for substation auxiliary equipment. Typical applications include supplying electricity to lighting systems, cooling equipment, pumps, motors, control systems, and other essential electrical loads.
29
2026-10
What are instrument transformers? Types, functions and applications explained
A complete 2026 guide to instrument transformers: types (CT, PT, CVT, NCIT), functions, accuracy classes, IEC/IEEE standards, and selection guidance for substations, solar, wind, and EV charging applications.