100% Secure Payments
Tender Details
- Country: Zimbabwe
- Summary: Supply and Delivery of Excitation Transformer
- ZWT Ref No: 60743684
- Deadline: 11 Jan 2022
- Competition: ICB
- Financier: Self Financed
- Purchaser Ownership: -
- Tender Value: Refer Document
- Notice Type: Tender
- Document Ref. No.: ZPC/HO DOM 156/2021
- Purchaser's Detail :
- Description :
- Tenders are invited for Supply and Delivery of Excitation Transformer at Zpc Kariba South Power Station 1 Technical particulars —L 2 Description of Transformer “ Excitation Transformer Three phase Dry type 3.1 Continuous maximum rating (cmr) corresponding to full power tappings when operating under site conditions. KVA 1349 3.2 HV terminal rating Delta kV J* 3.3 LV terminal rating Delta kV 0.735 4 Phase connections: 1EC vector group symbols DdO f Impedance % 8 ±tolerances 6 Rated frequency Hz 50±4% 7 System highest Voltage kV 25.2kV at 50Hz for 5 sec System Voltage Range kV 17.1 kV — 18.9kV 8 Insulation level 8.1 a) 1IV winding 50kV, 50Hz, 60 seconds 8.2 b) LV winding 4kV, 50Hz. 60 seconds 8.3 Impulse Levels 8.3.1 a) HV winding 95kV b) LV winding N/A 9 Overload I805A (rms) for 30 minutes. Overvoltage/ Over-fluxing , 1 140%, 50Hz for 5 1 seconds 110% continuous' at frequencies 47.5 - 51Hz System frequency range Hz 47.5 - 52.5 !0 Degree of protection . n IP3I 11 Efficiency at normal ratio, unit power factor Supplier to guarantee the value 12 Temperature class °c 155 13 Insulation class F 14 Partial discharge pc 6 Cables 26.1 a) 1IV terminations 26.1.1 i. Entry 1 Top Entry 26.1.2 ii. Terminals 3 pole. 6 gland air insulated cable terminations with non-magnctic uland plate.
- Documents :
Purchaser : ZIMBABWE POWER COMPANY
12th Floor, Megawatt House, 44 Samora Machel Avenue Harare
Tel: +263-242250407-9/ 2770675/ 2770672
Fax: +263-4794828/ 702840/ 794827/ 794820
If you are registered member, kindly login to view full details of this tender notice:
CLICK HERE TO LOGIN
