Documents JDZW-10R 11kV Outdoor Voltage Transformer: IEC 61869-Compliant for Metering & Protection May 21, 2026 / April 22, 2026 by tianming Introduction The JDZW-10R voltage transformer is a critical component in medium-voltage power systems, specifically engineered for accurate voltage measurement and reliable operation in 10kV networks. As a resin-insulated, outdoor-type instrument transformer, it provides isolation between high-voltage primary circuits and low-voltage secondary instrumentation, ensuring both safety and precision. This selection guide serves as a technical reference […] Read more »
Documents JDZW-35 33kV Cast-Resin Voltage Transformer for Substation Metering and Protection – IEC 61869-3 Certified May 21, 2026 / May 2, 2026 by tianming JDZW-35 33kV Cast-Resin Voltage Transformer for Substation Metering and Protection – IEC 61869-3 Certified Introduction to the JDZW-35 Voltage Transformer The JDZW-35 is a single-phase, outdoor-rated, cast-resin insulated voltage transformer (VT) engineered for precise voltage measurement and reliable protective relay operation in 33kV (IEC) / 35kV (domestic) medium-voltage networks. Designed in strict compliance with IEC […] Read more »
Documents Substation Metering & Protection with LFS-10 11kV Cast-Resin Current Transformer per IEC 61869-2 May 21, 2026 / May 2, 2026 by tianming Introduction to the LFS-10 Current Transformer The LFS-10 is a high-reliability, cast-resin insulated current transformer (CT) engineered for critical metering and protection functions in medium-voltage power systems operating at nominal system voltages up to 11 kV. Designed in strict accordance with IEC 61869-2 and GB/T 20840.2, this device exemplifies modern advancements in solid-insulation technology for […] Read more »
Documents PT for Frequency Measurement & Under/Overfrequency Protection: Accuracy, Transient Response & Relay Coordination Guide (IEC 61869-3, IEEE C57.13) May 21, 2026 by tianming PT for Frequency Measurement & Under/Overfrequency Protection: Accuracy, Transient Response & Relay Coordination Guide (IEC 61869-3, IEEE C57.13) Meta Description: Comprehensive guide on voltage transformer (PT) requirements for frequency measurement and under/overfrequency protection. Covers accuracy, transient response, relay coordination, and compliance with IEC 61869-3 and IEEE C57.13. Includes selection methodology, testing procedures, and troubleshooting for […] Read more »
Documents SEL-751 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified May 21, 2026 / May 2, 2026 by tianming For Substation Metering & Protection: UNKNOWN 11kV […] Read more »
Documents LZX-10 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified May 21, 2026 / May 2, 2026 by tianming 11kV Cast-Resin Current Transformer LZX-10 for Metering […] Read more »
Documents JLS-35K 33kV Cast-Resin Current Transformer for Substation Metering & Protection – IEC 61869-2 Compliant May 21, 2026 / May 2, 2026 by tianming 33kV Cast-Resin Voltage Transformer JLS-35K for Metering and Protection – IEC 61869-3 Standard Introduction to the JLS-35K Voltage Transformer The JLS-35K is a precision-engineered, cast-resin insulated voltage transformer (VT) designed for reliable operation in 33kV (IEC standard) or 35kV (domestic Chinese system) medium-voltage networks. As a critical interface between high-voltage primary circuits and low-voltage secondary […] Read more »
Documents ZW-10 11kV Cast-Resin Current Transformer for Substation Metering & Protection – IEC 61869-2 Certified May 21, 2026 / May 2, 2026 by tianming IEC 61869-3 Certified 11kV Voltage Transformer JDZW-10R for Metering & Protection Applications Introduction to the JDZW-10R Voltage Transformer The JDZW-10R is a single-phase, indoor/outdoor rated, cast-resin insulated voltage transformer (VT) designed for accurate voltage measurement and reliable protective relay operation in medium-voltage power systems operating at 11kV (IEC standard) or 10kV (domestic Chinese system nominal […] Read more »
Documents ZJC-10Q 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified May 21, 2026 / May 2, 2026 by tianming ZJC-10Q 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified Introduction to the ZJC-10Q Current Transformer The ZJC-10Q is a medium-voltage cast-resin current transformer (CT) engineered for high-accuracy metering and dependable protection functions in 11kV (IEC standard) or 10kV (domestic Chinese system) power networks. Designed in strict accordance with IEC 61869-2 […] Read more »
Documents ZW-10 11kV Cast-Resin Current Transformer Installation Guide – IEC 61869-2 Compliant for Substations May 21, 2026 / May 2, 2026 by tianming For Substation Metering & Protection: SZW-10R 11kV Cast-Resin Current Transformer per IEC 61869-2 Introduction to the SZW-10R Current Transformer The SZW-10R is a high-reliability, cast-resin insulated current transformer (CT) engineered for accurate current measurement and protective relay coordination in 11kV medium-voltage distribution systems—corresponding to nominal 10kV domestic networks. Designed in strict compliance with IEC 61869-2 […] Read more »
Documents LZX-10 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified May 21, 2026 / May 2, 2026 by tianming 11kV Cast-Resin Current Transformer LZX-10 for Metering […] Read more »
Documents SZF-3 11kV Cast-Resin Current Transformer for Metering & Protection – IEC 61869-2 Compliant May 20, 2026 / May 2, 2026 by tianming 11kV Cast-Resin Voltage Transformer SZF-3 for Metering and Protection – IEC 61869-3 Standard Introduction to the SZF-3 Voltage Transformer The SZF-3 is a single-phase, inductive-type voltage transformer (VT) engineered for medium-voltage distribution systems operating at a nominal system voltage of 10 kV, with an IEC-rated insulation level of 11 kV. Designed in strict compliance with […] Read more »
