Choke module for supressing ferro-resonance
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Choke module for supressing ferro-resonance - 1

Choke module for suppressing ferro-resonance In three phase current networks with isolated neutral point which use single-pole current transformers, ferro-resonance may occur. These resonances are generated by the concur of single-pole current transformer's non-linear inductance of open-circuit operation and the earthing capacitance of the network. In order to protect the single-pole current transformer from overheating and to avoid possible overvoltages, the en-winding of the transformer should be constantly vaporised. Connection Scheme u ɉ v w w w Technical specification Rated voltage 100V Operating voltage 100...110V Isolation level 0,72kV Frequency 50Hz (others upon request) Class of insulation LU Case Steel Dimensions 222x190x229mm Colour Grey V\i I I e ll/l/L n resistance BE saturable coil "(V)" Ordering specification Type Nominal three phase current of voltage transformer P R total P D total 100V 110V BE2 2A 147W 178W 800VA BE4 4A 147W 178W 800VA BE6 6A 147W 178W 800VA BE9 9A 295W 356W 800VA BE10 10A 295W 356W 1200VA BE15 15A 295W 356W 1200VA ɮl ELEQ* develops, produces and markgts FAGET ,ind KWK" WWW.ELEO.CQM

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