110kv Multi Current Ratio 25A-50A-75A-100A-125/5A-1A Oil Type Outdoor Current Transformer

• Application: Instrument
• Type: Current Transformer
• Phase: Single
• Operation Condition: Outdoor
• Usage: Protection, Measurement
• Transport Package: Wooden
• Model NO.: LB7
• Specification: 110KV
• Trademark: HEMG
• Origin: China
• Production Capacity: 10000

Product Description

ITEM	DESCRIPTION	UNIT	REQUIRED	GUARANTEED
	CURRENT TRANSFORMER - 1 POLE
1	ELECTRIC CHARACTERISTICS
	§  Brand			HEMG
	§  Type		Outdoor	Outdoor LB7-110W3
	Height of mounting	m.o.s.l	≥2 800	≥2 800
	Standards of manufacture		IEC-185 IEC-60044-1	IEC-61869-2-2012 IEC 60044-1
	Nominal voltage of the system	kV	66	66
	§  Nominal frequency	Hz	60	60
	§  Maximum voltage of service	kV	72.5	72.5
	§  Max voltage of the equipment	kV	123
	§  Withstand voltage 60 Hz, 1 minute: Dry Wet	kV kV	185 185	1402800m171 1402800m171
	BIL	kV peak	450	3252800m397
	Voltage resistance of the secondary coils with ground	kV		3
	Partial discharge threshold for stress Growing Decreasing	kV kV		Um 10pC 1,2 uM/V3
	§  Tangent delta			<5 pC
	Type of insulation			oil
	Nominal current primary side	A		25-50-75-100-125
	Dynamic short circuit current	kA	31,5	31,5
	Continuous thermal current (of overload)	A		60-120
	§  Maximum temperature of the oil on top side	°C		55
	§  Average heating of the copper	°C		65
	SECONDARY COILS
	§  Number of measure core		1	1
	Nominal current secondary	A	5	5
	Ratio of transformation
	Consumption with cos f = 0,8	VA	10	10
	Precision class		0,2	0,2
	Security factor
	Number of protection core		3	3
	Nominal current secondary	A	5	5
	Ratio of transformation
	Consumption with cos f = 0,8	VA	25	25
	Precision class		5P20	5P20
	Security factor
3	DETAILS OF CONSTRUCTION
	Type of oil			45#
	Permissible ambient temperature Minimum Maximum	°C °C		-45 +45
	Max pressure of the wind	kg/m²	34	34
	Maximum permissible radial force on the AT terminal (besides the wind stress on the transformer itself)	kg		300
	Type and dimensions of HV terminal	mm		Attach drawing
	Material of terminations			Aluminum
	Dilation of the insured oil Indication of the position of the membrane Indication of oil level			Yes Yes
4	INSULATORS
	Brand			Pukou Huagao
	Type			Porcelain
	Leakage distance total	mm	3 075	3906
	Leakage distance of each kV	mm/kV	25	31
	Arc distance	mm		1090
5	DRAWINGS AND WEIGHTS
	Dimensions			Attach drawing
	Plane of the outer dimensions of the transformer	Nº
	Max diameter of the parts with voltage	mm		Attach drawing
	Cut	Nº		Attach drawing
	Description	Nº		Attach drawing
	Max. Dimensions			Attach drawing
	Distance between axes	mm		Attach drawing
	Weights
	Total weight of the transformer	kg		480
	Total weight of the oil	kg		80
	Weight of the spare parts	kg		0
	Weight of the tools	kg		480
	Notes and diagrams
	Description notes	Nº		Yes
	Diagram of connection	Nº		Attach drawing
	Reference list	Nº		Yes
6	SEISMIC CONDITIONS Kit of spare parts for maintenance during 5 years	Yes	Included	Yes No