CT for Motor Protection & VFD Applications: Selection, Transient Response & EMC Guide (IEC 61869-2, IEEE C57.13) CT for Motor Protection & VFD Applications: Selection, Transient Response & EMC Guide (IEC 61869-2, IEEE C57.13) Meta Description: Comprehensive guide on current transformers (CTs) for motor protection and variable frequency drive (... May 17, 2026 by tianming
11kV Cast-Resin CT Burden Calculation Guide: IEC 61869 Compliance for Metering & Protection Circuits 5. Burden Calculation The burden of a current transformer (CT) is the total impedance presented to its secondary winding, comprising connected devices (relays, meters, etc.) and wiring resistance. Accurate burden calculation ensures CTs ope... May 17, 2026 by tianming
SEL-351 21kV Cast-Resin Voltage Transformer for Substation Metering and Protection – IEC 61869-3 Certified SEL-351 21kV Cast-Resin Voltage Transformer for Substation Metering and Protection – IEC 61869-3 Certified Introduction to the SEL-351 Voltage Transformer The SEL-351 is a 21kV (IEC-rated) cast-resin voltage transformer (VT) engineere... May 16, 2026 by tianming
JWD-10 11kV Outdoor Current Transformer: IEC-Compliant 0.2S Metering & Protection Class Selection Introduction The JWD-10 current transformer is a critical component in medium-voltage power systems, specifically engineered for reliable and accurate current measurement and protection in 10 kV networks. As a resin-insulated, outdoor-type ... May 16, 2026 by tianming
Instrument Transformer Maintenance & Diagnostic Testing: Tan δ, PD, Ratio & Excitation Guide (IEC 61869, IEEE C57.13) Instrument Transformer Maintenance & Diagnostic Testing: Tan δ, PD, Ratio & Excitation Guide (IEC 61869, IEEE C57.13) Meta Description: Comprehensive guide on instrument transformer maintenance and diagnostic testing. Covers tan δ, ... May 16, 2026 by tianming
LFS-10 11kV Cast-Resin Current Transformer Compliant with IEC 61869-2 for Metering and Protection for substation appl… IEC 61869-2 Certified 11kV Cast-Resin Current Transformer LFS-10 for Metering & Protection Applications Introduction to the LFS-10 Current Transformer The LFS-10 is a medium-voltage cast-resin current transformer engineered for precisi... May 16, 2026 by tianming
LB-10W 11kV Current Transformer Selection: IEC-Compliant Cast-Resin CT for Metering & Protection Introduction The LB-10W Current Transformer (CT) is a critical component in medium-voltage power systems, specifically engineered for reliable and accurate current measurement and protection applications at system voltages up to 10 kV. Desi... May 16, 2026 by tianming
KZB-0 35kV Cast-Resin Current Transformer: IEC 61869-Compliant for Metering & Protection Applications Introduction The KZB-0 Current Transformer is a high-voltage instrument transformer specifically engineered for accurate current measurement and protection applications in 35kV power systems. Designed to meet stringent international standar... May 15, 2026 by tianming
PT Ferroresonance & Mitigation in MV Systems: Mechanisms, Detection & Suppression Guide (IEC 61869-3, IEEE C57.13) PT Ferroresonance & Mitigation in MV Systems: Mechanisms, Detection & Suppression Guide (IEC 61869-3, IEEE C57.13) Meta Description: Comprehensive guide on voltage transformer (PT) ferroresonance in medium-voltage systems. Covers me... May 15, 2026 by tianming
Outdoor/Indoor 11kV Current Transformer LJ-2 | 0.2S Metering, 5P Protection, IP54 Cast-Resin CT Introduction The LJ-2 Current Transformer (CT) is a high-voltage instrument transformer specifically engineered for accurate current measurement and protection applications in 10 kV power distribution systems. Designed to meet stringent int... May 15, 2026 by tianming
LJK-100240 11kV Outdoor Current Transformer: 0.2S Accuracy & IEC 61869 for Metering & Protection Introduction The LJK-100240 Current Transformer is a high-precision, outdoor-type instrument transformer specifically engineered for accurate current measurement and protection in 10 kV medium-voltage power systems. Designed to meet the str... May 14, 2026 by tianming
Combined Transformer (CT+PT) Technical Guide: Selection, Testing & Application for MV Metering & Protection (IEC 61869) Combined Transformer (CT+PT) Technical Guide: Selection, Testing & Application for MV Metering & Protection (IEC 61869) Meta Description: Comprehensive guide on combined transformers (CT+PT) for medium-voltage metering and protectio... May 14, 2026 by tianming
