Documents AGE-1232 11kV Cast-Resin Current Transformer Selection Guide per IEC 61869-2 for Metering & Protection May 22, 2026 / May 2, 2026 by tianming AGE-1232 11kV Cast-Resin Voltage Transformer for Substation Metering and Protection – IEC 61869-3 Certified Introduction to the AGE-1232 Voltage Transformer The AGE-1232 is a single-phase, indoor/outdoor-rated cast-resin voltage transformer (VT) engineered for accurate voltage transformation in medium-voltage power systems operating at 11kV (IEC nominal) or 10kV (domestic Chinese system equivalent). Designed per IEC 61869-3 and […] Read more »
Documents SJW-3 11kV Cast-Resin Current Transformer Compliant with IEC 61869-2 for Metering and Protection for substation appli… May 22, 2026 / May 2, 2026 by tianming IEC 61869-3 Certified 11kV Voltage Transformer SJW-3 for Metering & Protection Applications Introduction to the SJW-3 Voltage Transformer The SJW-3 is a single-phase, cast-resin insulated voltage transformer (VT) engineered for high-reliability operation in 11kV (IEC standard) or 10kV (domestic Chinese system) medium-voltage networks. Designed in strict accordance with IEC 61869-3 and GB/T 20840.3, this instrument […] Read more »
Documents JWD-10 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified May 22, 2026 / May 2, 2026 by tianming For Substation Metering & Protection: JWD-10 11kV […] Read more »
Documents ZZW-35 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified May 22, 2026 / May 2, 2026 by tianming ZZW-35 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified Introduction to the ZZW-35 Current Transformer The ZZW-35 is a high-reliability, cast-resin insulated current transformer (CT) engineered for precision metering and robust protection functions in 11kV (IEC standard) or 10kV (domestic equivalent) medium-voltage power systems. Designed in strict accordance with IEC […] Read more »
Documents JDJ-3 12kV Voltage Transformer Selection Guide: IEC 61869-Compliant for Indoor Metering & Protection May 22, 2026 / April 22, 2026 by tianming Introduction The JDJ-3 voltage transformer is a critical component in medium-voltage power systems, specifically engineered for reliable and accurate voltage measurement and protection at the 12kV level. As an indoor-type, oil-immersed, single-phase electromagnetic voltage transformer, the JDJ-3 ensures stable performance under normal operating conditions while providing electrical isolation between high-voltage circuits and secondary instrumentation or […] Read more »
Documents High-Performance 11kV Cast-Resin Current Transformer ZW-10 for Metering & Protection per IEC 61869-2 May 22, 2026 / May 2, 2026 by tianming High-Performance 11kV Cast-Resin Current Transformer ZW-10 for Metering & Protection per IEC 61869-2 Introduction to the ZW-10 Current Transformer The ZW-10 is a high-reliability, cast-resin insulated current transformer (CT) engineered for accurate current measurement and robust protective relay coordination in medium-voltage power systems operating at 11kV (IEC standard) or 10kV (domestic Chinese system). Designed in […] Read more »
Documents CT Ratio & Polarity Testing Guide: Methods, Equipment & Acceptance Criteria (IEC 61869-2, IEEE C57.13) May 22, 2026 by tianming CT Ratio & Polarity Testing Guide: Methods, Equipment & Acceptance Criteria (IEC 61869-2, IEEE C57.13) Meta Description: Comprehensive guide on current transformer (CT) ratio and polarity testing. Covers test methods, equipment, acceptance criteria, and compliance with IEC 61869-2 and IEEE C57.13. Includes step-by-step procedures, troubleshooting, and safety precautions for factory, site, and maintenance testing of […] Read more »
Documents LZX-10 11kV Cast-Resin Current Transformer Compliant with IEC 61869-2 for Metering and Protection for substation appl… May 22, 2026 / May 2, 2026 by tianming IEC 61869-2 Certified 11kV Current Transformer LZX-10 for Metering & Protection Applications Introduction to the LZX-10 Current Transformer The LZX-10 is a medium-voltage cast-resin current transformer (CT) engineered for precise current measurement and reliable protective relaying in 11kV (IEC) / 10kV (domestic) power systems. Designed per IEC 61869-2 and GB/T 20840.2, it serves as a […] Read more »
Documents SZW-6 11kV Cast-Resin Voltage Transformer: IEC 61869-3 Compliant for Outdoor Metering & Protection May 22, 2026 / April 22, 2026 by tianming Introduction The SZW-6 voltage transformer is a critical component in medium-voltage power systems, specifically engineered for reliable and accurate voltage measurement, protection, and metering applications at the 10kV level. As part of the electromagnetic (inductive) voltage transformer family, the SZW-6 provides galvanic isolation between high-voltage primary circuits and low-voltage secondary instrumentation or relay circuits. This […] Read more »
Documents ZJC-10Q 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified May 22, 2026 / May 2, 2026 by tianming For Substation Metering & Protection: ZJC-10Q 11kV […] Read more »
Documents LZX-10 11kV Cast-Resin Current Transformer for Substation Metering & Protection – IEC 61869-2 Certified May 22, 2026 / May 2, 2026 by tianming Introduction to the LZX-10 Current Transformer The LZX-10 is a high-reliability, indoor-type cast-resin current transformer (CT) engineered for critical metering and protection functions in 11kV medium-voltage power distribution systems. Designed in strict accordance with IEC 61869-2 and GB/T 20840.2, this device exemplifies modern advancements in solid-insulation instrument transformer technology. Its construction leverages epoxy resin encapsulation […] Read more »
Documents Substation Metering & Protection with JDZW-35 11kV Cast-Resin Current Transformer per IEC 61869-2 May 22, 2026 / May 2, 2026 by tianming Introduction to the JDZW-35 Current Transformer The JDZW-35 is a high-precision, cast-resin insulated current transformer (CT) engineered for critical metering and protection functions in medium-voltage (MV) power systems operating at nominal system voltages up to 11 kV. Unlike legacy oil-immersed or gas-insulated instrument transformers, the JDZW-35 leverages advanced epoxy resin encapsulation technology to deliver superior […] Read more »
