technical specification for 11& 33 kv post insulators, 11 ... - WBSEDCL

WEST BENGAL STATE ELECTRICITY DIST. COM. LTD.Office of the Chief Engineer , Procurement & Contracts DepartmentVidyut Bhavan( 4th Floor),Bidhannagar, Block-DJ : Sector-IIKolkata-700 091 : Phone No.033-2359-8397 : Fax No.033-2359-1921GUARANTED TECHNICAL PARTICULARS FOR 33 & 11 KV PIN INSULATOR(To be filled in & submitted by the Tenderer with the Techno-Commercial Bid)Sl.No. Description Rating1. Name of the Manufacturer :2. Nominal system Voltage (KV rms) :3 Highest system Voltage (KV rms) :4. Height of the Insulator (mm)5. Dia. of Largest shed (mm) :6. Weight per unit (Kg)7. Conductor Groove (mm)8. Creepage Distance (mm)9. Minimum failing load (KN) :10. Power Frequency Visible Discharge :Voltage (KV rms)11. Minimum Withstand Test Voltagei) Power Frequency One Minute Dry :(KV rms)ii) Power Frequency One Minute Wet :(KV rms)iii) 1.2/50 micro-second waveImpulse Withstand Voltagea)Positive Wave (KV peak)b) Negative Wave (KV peak)12. Power Frequency Puncture:Withstand Voltage (KV rms)13. Minimum flash over voltage :i) Power Frequency One Minute Dry(KV rms)ii) Power Frequency One Minute Wet :(KV rms)iii) 1.2/50 micro-second wave :Impulse Flashover Voltage (KVpeak)a)Positive Wave (KV peak) :b) Negative Wave (KV peak) :14. Colour of Glaze :15. Marking on Insulator(To specify asper I.S. Specification):33KV11KVSignature …………………………………………Name ………………………………………Company SealDesignation …………………………………….Insulator – Spec – Amended in March’2012