Kalpa Oil Immersed Distribution Transformers Outdoor type 500 kVA, 11000 / 400 V, ONAN, Dyn11, 3 Phase, Copper Wound, Oil Cooled, Distribution Transformer with Off Circuit Tap Changer
Brand: Kalpa
Kalpa Oil Immersed Distribution Transformers Outdoor type 500 kVA, 11000 / 400 V, ONAN, Dyn11, 3 Phase, Copper Wound, Oil Cooled, Distribution Transformer with Off Circuit Tap Changer
- NEA Lab tested
- Built as per the NEA Standard
- Tap Range: 5 % to -10 % in steps of 2.5 %, 7 Position
- Temperature rise (Oil/ Wdg/ Amg): 50 / 55 / 50 Deg C
- Applicable Standard: IEC 60076
- Made in India by Kalpa Electrikal
- Losses & Impedance at 75 Deg C: a. No Load losses = 960-Watt, IEC/NEA Tolerance, b. Load losses = 5150-Watt, IEC/NEA Tolerance, c. Impedance = 4.5 %, IEC /NEA Tolerance
| Construction Type | Indoor/Outdoor |
| Duty Type | Outdoor / Indoor, Pole or Ground Mounted |
| Voltage Class | 3.3, 6.6, 11, 22, 33kV or any specific |
| No of Phases | 1 or 3 Phase, ONAN, KNAN |
| Frequency | 50/60 Hz |
| Capacity | Up to 10MVA |
| Insulating Fluid | PCB FREE Mineral Oil, both inhibited & Biodegradable FR3,uninhibited as per IS335/IEC60296 and customer requirement |
| Class of Insulation | Class A |
| Tap Changer | Off Circuit or On Load |
| Tapping Range | OCTC or OLTC as per customer requirement |
| Winding Material | Aluminum or Copper with multi paper covering |
| Applicable Standards | IS 1180 ,IS 2026, IEC 60076, ANSI, IEEE |
| Painting | Enamel, Epoxy, Polyurethane or customer specific |
Accessories Included
1 Rating and Terminal marking plate
2 Earthing Terminal
3 Lifting Lugs
4 Thermometer pocket
5 Air release device
6 Dehydrating Silica gel Breather
7 Prismatic Oil Level gauge
8 Bottom/ Drain Filter Value
9 Top Filter Valve
10 Conservator with drain plug
11 Off Circuit Tap Changer
12 Cooling Radiator
13 Transformer Oil
14 Pressure release device With trip contact
15 Oil Temperature Indicator with Trip & Alarm Contacts (OTI)
16 Winding Temperature Indicator with Trip & Alarm Contacts (WTI)
17 Marshalling box with Double Instrument IP 55
18 Buchholz relay with Trip & Alarm Contacts
19 Magnetic Oil gauge with low oil alarm contact
Terminal Arrangement
HV: Cable Box
LV: Cable Box
