Center Enlarge Conductor LGKK

Center Enlarge Conductor For Power Station 220-500KV Flexible metal Tube

1,standard

This product meets the enterprise standardQ/WSX112-2009.

Any other international standard also canbe satisfied

And customer special request also can besatisfied.

2,Designation,Type and Main Applications

Designation	Type	Main application
Cinter Enlarge Conductor	LGKK	Suitable for flexible bus conductor of power station with voltage 220-500KV
New Flexible Bus Conductor	LGJK

3,Construction and Main Technical Specifications

Center Enlarged Conductor Type LGKK

TYPE			LGKK-587	LGKK-900	LGKK-1400
Overall Diameter   (mm)			51	49	57
Calculated Area mm²	Alluminum		585.7	906.4	1387.8
	Steel		49.5	84.83	105
	Total		636.2	991.23	1493.8
Structure No./Dia. Mm	Central Dia. Of Flexible metal tube		39	27	27
	Inner Layer	Aluminum	35/3.0	18/3.0	15/3.0
		Steel	7/3.0	12/3.0	15/3.0
	Next to lnner Layer   (Al)		58/3.0	28/4.0	28/4.0
	Next to Outer Layer   (Al)		··	34/4.0	34/4.0
	Outmost Layer   (Al)		··	··	40/4.0
Calculated total breaking load    (kN)			137	205	289
Final Modulus of elasticity    (N/mm²)			71.54	58.7	58.02
Coefficient of linear expension(10-6/°C)			20.6	20.4	20.8
D.C. Resistance at 20°C   (Ω/km)			0.0514	0.03317	0.2163
Current at 70°C   (A)			750	1020	1290
Linear Mass   (kg/km)			2711	3650	5159

4,Propertities

The Center of Type LGKK is made of galvanized flexible tube coated with"FZ903" anti-corrosive grease and enlarged.