SEL-751 21kV Cast-Resin Current Transformer for Substation Metering & Protection – IEC 61869-2 Compliant For Substation Metering & Protection: JLS-20K 21kV Cast-Resin Voltage Transformer per IEC 61869-3 Introduction to the JLS-20K Voltage Transformer The JLS-20K is a single-phase, outdoor-rated cast-resin voltage transformer (VT) engineer... May 11, 2026 by tianming
Instrument Transformer Earthing & Grounding Practices: Safety, EMC & Protection Reliability Guide (IEC 61869, IEEE C57.13) Instrument Transformer Earthing & Grounding Practices: Safety, EMC & Protection Reliability Guide (IEC 61869, IEEE C57.13) Meta Description: Comprehensive guide on instrument transformer earthing and grounding practices. Covers safe... May 11, 2026 by tianming
AGE-1270 11kV Cast-Resin Current Transformer: IEC 61869-2 for Outdoor/Indoor Metering & Protection Introduction The AGE-1270 Current Transformer (CT) is a high-precision, indoor-type instrument transformer specifically engineered for accurate current measurement and protection applications in medium-voltage power systems up to 10 kV. Des... May 11, 2026 by tianming
CT-35K 33kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified CT-35K 33kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified Introduction to the CT-35K Current Transformer The CT-35K is a medium-voltage cast-resin current transformer engineered for reliable o... May 10, 2026 by tianming
MER-1 11kV Cast-Resin Voltage Transformer: IEC 61869-3 for Outdoor/Indoor Metering & Protection Introduction The MER-1 Voltage Transformer is a precision instrument designed for accurate voltage measurement and protection in medium-voltage electrical power systems operating at nominal voltages up to 10 kV. Engineered to meet internati... May 10, 2026 by tianming
Cast-Resin LZZBJ9-12 CT Maintenance: Sustain Metering Precision in 10kV Indoor Switchgear Installations Introduction The LZZBJ9-12 current transformer is a resin-insulated, indoor-type instrument transformer designed for accurate current measurement and protection in 10 kV AC power systems operating at 50 Hz or 60 Hz. This device plays a crit... May 10, 2026 by tianming
XGW-12 11kV Cast-Resin Voltage Transformer: IEC 61869-3 for Outdoor/Indoor Metering & Protection Introduction The XGW-12 Voltage Transformer is a precision-engineered instrument transformer designed for accurate voltage measurement, protection, and metering applications in 10 kV medium-voltage power systems. Engineered to meet stringen... May 10, 2026 by tianming
PT for Synchronism Check & Auto-Reclosing: Voltage Transformer Accuracy, Phase Shift & Relay Coordination Guide (IEC 61869-3, IEEE C57.13) PT for Synchronism Check & Auto-Reclosing: Voltage Transformer Accuracy, Phase Shift & Relay Coordination Guide (IEC 61869-3, IEEE C57.13) Meta Description: Comprehensive guide on voltage transformer (PT) requirements for synchronis... May 10, 2026 by tianming
SZW-6 11kV Cast-Resin Voltage Transformer: IEC 61869-3 for Outdoor/Indoor Metering & Protection Introduction The SZW-6 voltage transformer is a precision instrument designed for accurate voltage measurement and protection in 10 kV medium-voltage power systems. As a core component in electrical substations, switchgear, and distribution... May 9, 2026 by tianming
SEL-751 11kV Cast-Resin Current Transformer for Metering & Protection Compliant with IEC 61869-2 for substation appli… High-Performance 11kV Cast-Resin Current Transformer AGE-1270 for Metering & Protection per IEC 61869-2 Introduction to the AGE-1270 Current Transformer The AGE-1270 is a high-reliability, cast-resin insulated current transformer (CT) ... May 9, 2026 by tianming
Zero-Sequence vs. Residual Earth Fault Protection: CT Configuration, Sensitivity & Application Guide (IEC 61869, IEEE C57.13) Zero-Sequence vs. Residual Earth Fault Protection: CT Configuration, Sensitivity & Application Guide (IEC 61869, IEEE C57.13) Meta Description: Comprehensive comparison of zero-sequence and residual earth fault protection schemes. Cover... May 9, 2026 by tianming
LA-10Q 11kV Current Transformer: IEC 61869-Compliant CT for Outdoor/Indoor Metering & 0.2S Accuracy Introduction The LA-10Q Current Transformer (CT) rated for 10kV systems is a critical component in modern electrical infrastructure, designed to accurately measure and protect medium-voltage circuits. Engineered for reliability, precision, ... May 9, 2026 by tianming
