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S-PRO 4000 Sub-Harmonic Protection Relay
S-PRO 4000次谐波保护继电器

pic_SPRO_4000_sub_harmonic_protection_relay_w_bg

The S-PRO sub-harmonic protection relay protects various power system equipment including generators, wind turbines, PV system, series compensated transmission lines, FACTS devices and power transformers from uncontrollable sub-synchronous oscillation conditions known as:sub-synchronous torsional interaction (SSTI)sub-synchronous control interaction (SSCI)sub-harmonic resonance (SSR)sub-harmonic…