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Capacitive Voltage Transformer 36~765kV .pdf 0.88M
Capacitor (capacitive) voltage transformer, Coupling capacitive voltage transformer CVT CCVT
36kV～765kV TYD- series
765kV 550kV 525kV 420kV 362kV 300kV 245kV 170kV 145kV 123kV 72.5kV 52kV36kV High voltage Capacitor (capacitive) voltage transformer, CVT CCVT
TYD series 36~765kV Capacitor Voltage Transformer are installed on 36~765kV earthed neutral electrical systems whose rated frequency is 50Hz or 60Hz to meter Voltage energy and provide relay protection signal. Additionally, Capacitor Voltage Transformer serves as a coupling capacitor. Voltage Transformer consists of two assemblies: the capacitor sections and the electromagnetic components; It doesn’t subject to Ferro resonance oscillations with the network. At the same time, it has capability to control its own Ferro resonance oscillations; the capacitor has a small value of tanδ and temperature coefficient.
Standards:
Voltage transformers are designed in accordance with IEC60044-5, IEC61869-5, IEEE/ANSI C93.1, CAS, AS, BS or other agreed standards.
Main technical parameters
· Highest voltage for equipment: 36～765kV
· Power frequency: 50 or 60 Hz
· Rated secondary voltage：115V, 120V, 115/√3V, 110/√3V
· Rated secondary voltage for the earthing core: 100/3 V, 110/3 V or 100 V, 110V, 120V
· Output of the metering class：5-400VA/0.2, 0.3, 0.5
· Output of the protection class：5-400VA/3P, 6P
· Residual windings output：3P, 6P output: 400 VA
· Ambient temperature: -50℃ to +50℃
· Creepage distance: 25mm or 31mm/kV
· Partial discharge level: <10 pC
Main Parameter
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