Biến dòng điện/ Current transformer

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/ Sản phẩm /Phân phối /Thiết bị Nhất Thứ /Biến Dòng Điện / Biến dòng điện/ Current transformer_ABB

Biến dòng điện/ Current transformer_ABB

Mã SP: IMB245/ IMB145

Giá: Liên hệ

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245KV CURRENT TRANSFORMER
1	Manufacture/ Country of Origin		ABB LTD/INDIA
2	Ordering number		IMB245
I	Substantial requirements
1	Applicable standard		IEC 60044-1
2	Type		Outdoor, oil immersed, porcelain
3	Rated voltage	kV	245
4	Rated frequency	Hz	50
5	Impulse Voltage (1.2/50ms) withstand	kV	1050
6	Power Frequency Voltage withstand
	- Primary windings	kV	460
	- Secondary windings	kV(rms)	3
7	Rated Primary Current	A	1200
8	Extended Current Rating	A	120% of rated primary current
9	Rated Transformation Ratios	A	400-800-1200/1A
10	Rated Thermal withstand Current	kArms.	40
11	Rated duration of short-circuits	s	3
12	Rated Dynamic Withstand Current	kA peak	100
13	Maximum Partial Discharge Level
	- Un	pC	< 10
	-1,2Un / Ö3	pC	< 5
14	Dielectric dissipation factor (tan d)
	-at Un / Ö3		< 0.005
15	Core Characteristics : Ratio, Rated Burden, Accuracy Class
	-Core No. 1		400-800-1200/1A 15VA - Cl 0.5
	-Core No. 2		400-800-1200/1A 15VA - 5P20
	-Core No. 3		400-800-1200/1A 15VA - 5P20
	-Core No. 4		400-800-1200/1A 15VA - 5P20
	-Core No. 5		400-800-1200/1A 15VA - 5P20
16	All burdens, accuracy Classes at all ratios	Yes/No	Yes
17	Minimum creepage distance	mm/kV	25

II	Non-substantial requirements
1	Materials of terminals
	- HV		2xCopper(silver plated; 30mm dia x 80mm length(double round terminal)

III	Requirements for information
1	Maximum Partial Discharge Level at 1.1 Un (highest system voltage)		< 10
2	Secondary Winding Resistance	Ohm	As per design burden
3	Radio interference voltage measurement (RIV)	m V	< 2500
4	Calculated Wind Load Moment about Base	N	2.8kN
5	Total Weight	Kg	1700 Kg approx

123KV CURRENT TRANSFORMER
1	Manufacture/ Country of Origin		ABB LTD/INDIA
2	Ordering number		IMB145
I	Substantial requirements
1	Applicable standard		IEC 60044-1
2	Type		Outdoor, oil immersed, porcelain
3	Rated voltage	kV	123
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 Primary Current
	Type 1	A	2000
	Type 2	A	1200
8	Extended Current Rating	A	120% of rated primary current
9	Rated Transformation Ratios
	Type 1	A	1000-2000/1A
	Type 2	A	400-800-1200/1A
10	Rated Thermal withstand Current	kArms.	31,5
11	Rated duration of short-circuits	s	3
12	Rated Dynamic Withstand Current	kA peak	80
13	Maximum Partial Discharge Level
	- Un	pC	< 10
	-1,2Un / Ö3	pC	< 5
14	Dielectric dissipation factor (tan d)
	-at Un / Ö3		< 0.005
15	Core Characteristics : Ratio, Rated Burden, Accuracy Class
	Type 1:
	-Core No. 1		1000-2000/1A 15VA - Cl 0.2
	-Core No. 2		1000-2000/1A 15VA - Cl 0.5
	-Core No. 3		1000-2000/1A 15VA - 5P20
	-Core No. 4		1000-2000/1A 15VA - 5P20
	-Core No. 5		1000-2000/1A 15VA - 5P20
	Type 2:
	-Core No. 1		400-800-1200/1A 15VA - Cl 0.5
	-Core No. 2		400-800-1200/1A 15VA - Cl 0.5
	-Core No. 3		400-800-1200/1A 15VA - 5P20
	-Core No. 4		400-800-1200/1A 15VA - 5P20
	-Core No. 5		400-800-1200/1A 15VA - 5P20
16	All burdens, accuracy Classes at all ratios	Yes/No	Yes
17	Minimum creepage distance	mm/kV	25

II	Non-substantial requirements
1	Materials of terminals
	- HV		For 1000-2000/1A ratio:-4xCopper(silver plated; 30mm dia x 80mm length(four round terminal) For 400-800-1200/1A ratio:-2xCopper(silver plated; 30mm dia x 80mm length(double round terminal)
	- Earth		Earthing provision will be provided.Earthing clamps not in ABB India scope.

III	Requirements for information
1	Maximum Partial Discharge Level at 1.1 Un (highest system voltage)		< 10
2	Secondary Winding Resistance	Ohm	As per design burden
3	Radio interference voltage measurement (RIV)	m V	< 2500
4	Calculated Wind Load Moment about Base	N	2.8kN
5	Total Weight	Kg	650 kg approx

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