HAOMAI Electric Power Automation - Expert in Relay Testers & CT AnalyzersCompany OverviewWuhan HAOMAI Electric Power Automation Co., Ltd. (brand: Relaystar) is a leading manufacturer of relay protection testers, CT analyzers, and power testing equipment. Established in 1999, HAOMAI specializes in high-precision devices for utilities, substations, and industrial power systems.
Core Products & ExpertiseRelay Protection Testers:
Industry-leading 6-phase RELAYSTAR-H60 relay testers for comprehensive protection scheme validation 4.
Automated testing software compatible with major relay brands (SEL, GE, Siemens, ABB) 45.
Supports IEEE/ANSI standards for relay accuracy and performance verification 6.
CT/PT Analyzers:
Advanced CTP100P/200P series analyzers for precision measurements of current transformers, including saturation analysis and residual magnetism detection.
ISO/IEC 17025-certified calibration with class 0.02 accuracy.
Verifies CT wiring, nameplate data, and protection system behavior under fault conditions.
Compliance & QualityCertifications: ISO 9001, ISO 14001, CE, IEC 61010-1.
Rigorous testing protocols aligned with ANSI/IEEE CT accuracy classes (C, K, T).
Global ReachProducts exported to 34+ countries, serving power grids, rail, and oil/gas sectors.
150+ employees with dedicated R&D teams (12+ Master′s/PhD engineers).
Future FocusExpanding AI-driven diagnostic tools for predictive maintenance.
Enhancing relay tester interoperability with smart grid simulations.
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