Uttaranchal Jal Vidyut Nigam Limited has published Retrofitting Of Dc Online Insulation Monitoring System And Portable Fault Locator For Chibro And Khodri Power Station As Per Tender Documents. Submission Date for this Tender is 05-05-2021. Application Software Tenders in Dakpathar Uttarakhand. Bidders can get complete Tender details and download the document.
| Name of Work:Retrofitting of DC online insulation monitoring system and portable fault locator for Chibro & Khodri Power Station | |||||
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| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | Items (as per Technical Specification) | |||
| 2 | 1.01 | Insulation Monitoring device with integrated locating current injector for IT AC systems with galvanic ally connected rectifiers or converters and for IT DC systems. 1. AC, DC or AC/DC main circuits. 2. ISOMETERS for IT AC systems with galvanic ally connected rectifiers or inverters and for IT DC systems (IT= unearthed systems) UPS systems, battery systems. 3. Systems including switch- mode power supplies\n4. IT systems with high leakage capacitances.\n5. Installations with insulation fault location.\n6. Two separately adjustable response value ranges of 1 k ohm...20 M ohm.\nInsulation monitoring device for IT systems in accordance with IEC 61557-8 and 61557-9 \n | BI01010001010000000000000515BI0100001112 | 3 | Set |
| 3 | 1.02 | Portable equipment for insulation fault location for unearthed and earthed systems. 1. Portable insulation fault location systems for IT systems AC 0…790 V, 42…460 HZ/DC 0…960 v or de-energized systems.\n2. Use in main and control circuits, photovoltaic systems.\n3. Measuring clamps 20/52 mm, (115 mm optional) \n4. Backlit LC display, 3X 16 characters.\n5. Response value insulation fault location 2...10mA for main circuits.\n6. Response value insulation fault location 0.2....1mA for control circuits.\n7. Response value residual current measurement 10 mA...10mA in accordance with following standards, EN 61557-8, IEC 61557-8, IEC 61326-2-4. | BI01010001010000000000000515BI0100001113 | 1 | Set |
| 4 | 2 | Work Part | |||
| 5 | 2.01 | Installation, commissioning, Fault finding work and Training. 1 day training for technical staff for each station. Basis of DCDB systems, TT/TN and IT systems and differences, how to find fault in DC system with the help of newly installed system. 3 Days fault finding work in existing DC system. | BI01010001010000000000000515BI0100001127 | 1 | Job |
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