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VII.D : 96kV Surge arrester
               Standard IEC 99-4
    Surge arrester with lightning register: Zinc Oxide type

Service condition        Outdoor.
System voltage         110kV
Max. Continuous operating voltage        Uc >  77 kV
Temp. overvoltage capability for 1s        TOV > 108.3 kV
Rated voltage:        Ur = 96 kV
Rated frequency        50Hz
Method of neutral grounding        Directly grounded
Nominal discharge current        10,000A
Maximum residual voltage at indicated impulse current of 8/20s        256kV
Creepage distance of housing        25 mm/kV
Insulation level of arrester housing:        
- Rated power frequency withstand voltage        230 kV
- Rated lightning impulse withstand voltage        550 kV
Line discharge class        3
Minimum energy absortion capability        4.5 kJ/kV Ur

Accessories:
+ Zinc galvanized Supporting structure, bidder must provide shop drawing for manufacturing the steel structure.
+ Terminal for conductor 185 mm2, earthing terminal
        + Document for installation, operation, maintenance, and test report.
VII.E: 72kV Surge arrester:
Standard: IEC-94-4

Technical parameters:
Type: outdoor, metal - oxide surge arrester without gaps.
        Service system voltage: 115kV.
        Rated voltage: 72 kV.
        Max. Continuous operating voltage: 57 kV (rms)
        Nominal discharge currents (8/20s): 10kA.
        Residual voltage (Impulse 8/20s - Discharge current 10-kA crest): 192 kV.
Line discharge class: 3
        Minimum energy absorption capacity: 4.5kj/kV Ur

Accessories:
Zinc galvanized Supporting structure, bidder shall provide shop drawing for manufacturing the steel structure.
Surge Counter
Terminal connectors for conductor ACSR-185 and earthing terminals
Insulator base.
Document for installation, operation, maintenance, and test report.

Special note: Bidder provide following document for bid evaluation.
- Type test certificate (as per IEC99-4).