An ISO 9001 : 2000 Company    
Heat Shrinkable Joints and Terminations, Power Cable Accessories, Test Specifications, india Heat Shrinkable Joints and Termination, Test Specifications, Power Cable Accessories
Heat Shrink, Test Specifications, Power Cable Accessories, India Heat Shrinkable Joints and Termiantions, Test Specifications,Power Cable Accessories, India
    Home
 Products > Heat Shrinkable Joints & Terminations
Products
Certification
Enquiry
Recommend site
Download Brochure
Events
Careers
Site Map
 
Our Products
Heat Shrinkable Moulded Shapes
Heat Shrinkable Tubes
Heat shrinkable Wrap Around sleeve
Polymeric Insulators
Busbar Insulation
 
 
 
     

Test Specifications

Performance Particulars of Shrink Fit Heat Shrinkable Joints & Termination for XLPE Insulated 
  Cables upto 36 KV
 

Test Sequence
 
Parameter for
Evaluation
Test Voltage Highest Voltage
Umax (Kv)
 Result
    7.2 12 24 36  

Conductor Resistance

1 S : 10810
(Parts)
- - - - Resistance shall be computed and corrected at 200C and recorded
Impact Test Clause 6.1 of
IS : 13573
- - - - There shall be no visible damage
A.C. Voltage withstand (Dry) 1 Min 27 35 55 75 No breakdown and no flashover
A.C. Voltage withstand (Wet) 1 Min 20 28 50 70 No breakdown and no flashover
Partial Discharge --- 2 Uo 2 Uo 2 Uo 2 Uo 20pC
Impulse Voltage
withstand
10 positive and 10 negative, 1.2 / 50 uS, between each conductor and the grounded screen 60 75 125 170 No breakdown and no flashover
Load Cycling 3 cycles 5h heating, 3h cooling Conductor temperature: 5+ operating temperature 9.5 16 32 50 No breakdown and no flashover
Partial Discharge --- 2 Uo 2 Uo 2 Uo 2 Uo 20pC
Load Cycling 60 cycles 5h heating, 3h cooling Conductor temperature: 5+ operating temperature 9.5 16 32 50 No breakdown and no flashover
Thermal Short Circuit 1 sec symmetrical fault with conductor temperature as for cable specification
1 sec earth fault with screen or armour temperature as for cable specification
- - - - No visible signs of damage
Load cycling 63 cycles 5h heating, 3h cooling Conductor temperature: 5+ operating temperature 9.5 16 32 50 No breakdown and no flashover
Conductor Resistance --- - - - - 10% more than initial reading
Impulse voltage withstand 10 positive and 10 negative, 1.2/ 50mS, between each conductor and the grounded screen 60 75 125 170 No breakdown and no flashover
D.C Voltage withstand 30 min 28 48 96 144 No breakdown and no flashover
Humidity indoor terminations Conductivity 70±10 m S/m, 300 hour spray rate: litrel/m 3/h 4.5 7.5 15 22.5 No breakdown and no flashover, no visible tracking and so erosion
Dynamic short circuit 63kA - - - - No visible signs of damage
Salt-fog outdoor termination Conductivity 1600±200mS/m, 1000 hour 4.5 7.5 15 22.5 No flashover

 About Us | Products | Certificate | Enquiry | Recommend Site | Download Brochure | Events | Careers | Sitemap | Other Links

copyright @ 2007 -  galathermo.com Heat Shrinkable and PVC Products Specialist