Procurement of HEA Igniter system for Unit 05 1x500MW SGTPS MPPGCL Birsinghpur

Supply Material

HEA Igniter Flexible Spark Rod Assembly Technical details Wire - Suitable for 650 deg C Max Temp Temp range – Max 150 deg at cable end, Max 650 deg C at tip end. Construction - Stainless Steel (Technical details as per Tender Schedule)

HEA Igniter Flexible Power Cable Assembly Technical details 3 core cable copper conductor suitable for operating high Voltage up to 2KV ,Ambient temp-110 degree Centigrade(Max) Construction-High temp cable with metal braided armoured SS conduit (Technical details as per Tender Schedule)

HEA Igniter Spark Tip Technical details Max working temp- 750 degree centigrade at tip (Technical details as per Tender Schedule)

HEA Igniter retractor assembly Input supply -110 V AC,50 Hz Actuator type- Pneumatic (operating voltage -110 V AC,50 Hz) ,Junction Box- Aluminium, Factory Wired,JB Protection Class- IP 65 / NEMA 4 Temperature rating- -5 to 100°C Solenoid Valve:Two position four way with Viton seals Style- Single coil,5W/ 3 port,Coil duty- continuous Coil Rating -110 V AC (+10 % to -15 %),Insulation- Class H Solenoid casing- IP 65 Air cylinder –Type-double acting Stroke, Stroke-8” (8 inch) Air pressure Max/min- (100/70)Psi or 7/4 (kg/cm2 ), Cylinder Seals: Viton (high temperature),Cylinder material – Aluminium with SS rod Limit switch- 2 no’s per assembly - Rating 240 VAC 10 AMPS ,Working temp- Max 100 °C, Contact type-DPDT snap action double break ,protection class-IP65 (Technical details as per Tender Schedule)

HEA Igniter Exciter Box (Input voltage -110 V AC,50 Hz) Spark rate- minimum 4 spark /sec Stored energy - (minimum) 12 joules/spark nominal (Technical details as per Tender Schedule)