Documents JDZW-35 11kV Cast-Resin Current Transformer for Substation Metering & Protection – IEC 61869-2 Compliant May 24, 2026 / May 2, 2026 by tianming 11kV Cast-Resin Voltage Transformer JDZW-35R for Metering and Protection – IEC 61869-3 Standard Introduction to the JDZW-35R Voltage Transformer The JDZW-35R is a single-phase, outdoor-rated cast-resin 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). As a […] Read more »
Documents Selecting Cast-Resin SZV-10R VTs for 10kV Systems: Indoor/Outdoor Accuracy Class Guidance May 23, 2026 / April 22, 2026 by tianming Introduction The SZV-10R voltage transformer is a critical component in medium-voltage power systems, specifically engineered for reliable and accurate voltage measurement and protection at the 10 kV level. Designed in accordance with international standards such as IEC 61869 and GB/T 20840, this instrument transformer ensures safe isolation between high-voltage primary circuits and low-voltage secondary instrumentation […] Read more »
Documents SZW-10K 11kV Cast-Resin VT: IEC 61869-3 Compliant for Metering & Protection | Outdoor/Indoor Use May 23, 2026 / April 22, 2026 by tianming Introduction The SZW-10K 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 10 kV level. As part of the electromagnetic voltage transformer family, the SZW-10K converts high primary system voltages to standardized lower secondary voltages—typically 100 V or 110 V—that […] Read more »
Documents MV Cable Jointing & Termination Practices: Cold-Shrink, Heat-Shrink & Resin Guide (IEC 60840, IEEE 400) May 23, 2026 by tianming MV Cable Jointing & Termination Practices: Cold-Shrink, Heat-Shrink & Resin Guide (IEC 60840, IEEE 400) Meta Description: Comprehensive guide on medium-voltage (MV) cable jointing and termination practices. Covers cold-shrink, heat-shrink, and resin kits, compliance with IEC 60840 and IEEE 400, and includes step-by-step procedures, testing requirements, and troubleshooting for XLPE, EPR, and PILC cables in […] Read more »
Documents 21kV Cast-Resin Voltage Transformer JLS-20K for Metering and Protection – IEC 61869-3 Standard for voltage transformer A May 23, 2026 / May 2, 2026 by tianming 21kV Cast-Resin Voltage Transformer JLS-20K for Metering and Protection – IEC 61869-3 Standard Introduction to the JLS-20K Voltage Transformer The JLS-20K is a single-phase, indoor/outdoor-rated cast-resin voltage transformer (VT) engineered for precise voltage transformation in medium-voltage (MV) power systems operating at a nominal system voltage of 20 kV, with an IEC-standard rated primary voltage of […] Read more »
Documents SZV-10R 11kV Cast-Resin Voltage Transformer for Substation Metering and Protection – IEC 61869-3 Certified May 22, 2026 / May 2, 2026 by tianming Model-first: SZV-10R 11kV Cast-Resin Voltage Transformer for Substation Metering and Protection – IEC 61869-3 Certified Introduction to the SZV-10R Voltage Transformer The SZV-10R is a single-phase, dry-type, cast-resin insulated voltage transformer (VT) engineered for high-reliability operation in 11kV (IEC nominal) or 10kV (domestic system) medium-voltage networks. Designed in strict accordance with IEC 61869-3 and GB/T […] Read more »
Documents LA-10Q 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified May 22, 2026 / May 2, 2026 by tianming LA-10Q 11kV Cast-Resin Current Transformer for Substati […] Read more »
Documents SZF-3 11kV Cast-Resin Current Transformer Compliant with IEC 61869-2 for Metering & Protection for substation applica… May 22, 2026 / May 2, 2026 by tianming IEC 61869-3 Certified 11kV Voltage Transformer SZF-3 for Metering & Protection Applications Introduction to the SZF-3 Voltage Transformer The SZF-3 is a single-phase, indoor/outdoor-rated cast-resin 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). This instrument transformer […] Read more »
Documents LSZY-35 33kV Cast-Resin Voltage Transformer for Substation Metering and Protection – IEC 61869-3 Certified May 22, 2026 / May 2, 2026 by tianming LSZY-35 33kV Cast-Resin Voltage Transformer for Substation Metering and Protection – IEC 61869-3 Certified Introduction to the LSZY-35 Voltage Transformer The LSZY-35 is a single-phase, indoor/outdoor-rated cast-resin voltage transformer (VT) engineered for reliable operation in 33kV (IEC) / 35kV (domestic) medium-voltage networks. Designed in strict compliance with IEC 61869-3 and GB/T 20840.3, this instrument transformer […] Read more »
Documents LB-10W 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified May 22, 2026 / May 2, 2026 by tianming LB-10W 11kV Cast-Resin Current Transformer for Substati […] Read more »
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 »