Name of Work: Supply of Power System Lab Equipments
Sl. No.
Item Description
1
100mm Sphere Gap Assembly(Manual)Diameter of the Spheres : 100mmMaterial of the Spheres : Electrolytic copperCoupling thread size : M10Type of Frame : ‘H’ FrameWater resistor : Diameter : 50mm Height : 300mmElectrodes : Stainless SteelType of movement : Micrometer type, Satin hard chrome plated Accuracy of measurement : ± 0.1mmOne Sphere should be firmly grounded for safety point of view. The entire frame should be epoxy painted to avoid tracking.Note : All moving parts should be hard Chrome plated.
2
0-60kV OIL TEST KITInput Voltage : 0-230VACOutput Voltage : 0-60kKV (30-0-30)Rating of Transformer : 500VAFacility for zero & Door-interlockMemory switch should be providedOver voltage cut-off should be providedIt should be manufactured as per IS : 335 and IS : 6792.Necessary windows should be provided in the front and at the top of the test set to observe the flash over.
3
100kV, 50mA AC Test Set With Control Panel (Cascaded)Input Voltage : 230 V ACOutput Voltage : 100kV ACType : Cascaded (External)Type of cooling : Oil cooledType of Bushing : Epoxy bushing with 10 petticoats each Isolation Height of cascading : Minimun 10 inches with Nylon 6The transformer should be equipped with drain and pressure safety valve of 0.5kg/cm2 capacity.The control panel should be motorized and door interlock, zero-interlock facilities should be provided. Suitable Corona cups should be provided on the input and output terminals of the transformer. Corona ring should be provided in the second cascaded transformer for the base and top.
4
ELECTROMECHANICAL OVER CURRENT RELAY TEST KIT Input Supply :1ph,230 V AC, 50HzOutput Current : continuous variable with range selector No of Ranges : 1A, 2A,5A,10A,20A & 50A – Selectable Current Injection : Through short / open switchAuxiliary Supply : 230V AC & 24V DC TerminalDuty : IntermittentTime Interval Meter : 0.0001-9999sec (Make – Selectron)Ammeter : 3 ½ digit (Make -Rishabh/El-measure/MECO)Relay Make : Alstom (Areva)CT sec : 1A OR 5APlug Setting : 50% to 200% of In in steps of 10%Time setting : 0.1 – 1.0Characteristics : IDMTAuxiliary Supply : Self-powered/powered Operating Temperature :-5 C.... +45 CStorage Temperature : -20 C...... +60 C
5
STATIC OVER VOLTAGE RELAY TEST KIT Input Supply :1ph,230 V AC, 50HzOutput Current : 0-300 V continuousLY variable Capacity : 220VAAuxiliary Supply : 230V AC & 24V DC TerminalDuty : ContinuousTime Interval Meter : 0.0001-9999sec (Make – Selectron)Ammeter : 3 ½ digit (Make -Rishabh/El-measure/MECO)Relay Make : AshidaPT sec : 110V ACPlug Setting : 110% to 170% of rated voltage by 11steps Time setting : 0.1 – 1.0Characteristics : IDMT 1.5 times 7 sec at TMSx1 Auxiliary Supply : Self-powered/poweredOperating Temperature :-5 C.......+45 CStorage Temperature : -20 C...... +60 C
6
STRING OF 6 INSULATORSNo. of Disc in String : Six (6 Nos)Type of coupling : Using ball and socket Rating of each disc : 11kV Make of the Insulators : BHEL
7
JIG TO MEASURE STRING EFFICIENCYJig Enclosure : Made of Persplex sheet Diameter of Sphere : 20mmMaterial of sphere : BrassFixing Threads : M6 Measuring Device : Slip GaugesOperating Temperature : -5 C….....+45 CStorage Temperature : -20 C.......+60 C
8
Power factor improvement apparatus5HP / 3HP induction motor (mounted on vibrobase) (Make – Kirlosker) Drum type breaking system with spring balanceSelectable capacitor bank from 0.1kVAR to 11kVAR Power Analyser with Port RS-485 Suitable Software and USB converter. The equipment will have suitable indicators, switches, BTI connectors, etc.
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