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/ Products /Distribution /Primary equipment /Voltage Transformer / Capacitor Voltage Transformer

Capacitor Voltage Transformer

Mã SPProduct Code: WN245/ WN145N2

Price: Contact Us

Introduction:

Function Specifications Additional Information

123KV CAPACITIVE VOLTAGE TRANSFORMER
1	Manufacture/ Country of Origin		ABB LTD/INDIA
2	Ordering number		WN145N2
I	Substantial requirements
1	Applicable standard		IEC 60044-5
2	Type		Outdoor, oil immersed, porcelain
3	Rated voltage	kV	123 kV (CVT rating plate will show rated voltage as 110/√3 )
4	Rated frequency	Hz	50
5	Impulse Voltage (1.2/50ms) withstand	kV	550
6	Power Frequency Voltage withstand
	- Primary windings	kV	230
	- Secondary windings	kV(rms)	3
7	Rated capacitance	pF	8800
8	Guaranteed Limits of Rated capacitance	%	(-5% to +10%)
9	Tangent of the Loss Angle 50Hz	%	< 0.5
10	Maximum Partial/Discharge Level .pC	kV	<10
11	Minimum creepage distance	mm/kV	25
12	Oil outlet and oil test valve	Yes/No	Yes
13	Voltage ratio, burden, accuracy class
	Type 1
	+ Winding No.1		110kV:sqrt3/110V:sqrt3; 30VA; class 0.2
	+ Winding No.2		110kV:sqrt3/110V:sqrt3;30VA; class 3P
	Type 2
	+ Winding No.1		110kV:sqrt3/110V:sqrt3; 30VA; class 0.5
	+ Winding No.2		110kV:sqrt3/110V:sqrt3; 30VA; class 3P

II	Non-substantial requirements
1	Materials of terminals
	- HV		Mild Steel(MS)hot dip galvanised
	- Earth		Earthing provision will be provided.Earthing clamps not in ABB India scope.
	- Dimensions		160x100mm; 4 x holes x 14 mm dia at 50mm spacing
2	Facilities for fitting of line trap	Yes/No	Possible to mount line trap using base plate on CVT. Base plate/line trap is not in ABB scope.

III	Requirements for information
1	Temperature Co-efficient of capacitance per ^oC		0,07%
2	Phase to Earth Clearance	mm	> 1420 mm
3	Rated Mechanical Terminal Load	kN	2 KN
4	Max. Permissible Top Wind Loading	km/h	150 km/hr
5	Calculated Wind Load Moment about Base	kNm	5033kgcm assuming 150 kmph wind load
6	Flux Density at Rated Voltage	Tesla	0.95 Tesla
7	Recommended Fuse Ratings		16
8	Rated Maximum HF Current	A	0.05 mA to 5 mA
9	Weight of Intermediate Voltage Transformer		90 kg approx
10	Total Weight	Kg	560 kg approx

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