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Earthing Oil Immersed Power Transformer 220kv 240mva Compact Structure

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Earthing Oil Immersed Power Transformer 220kv 240mva Compact Structure

China Earthing Oil Immersed Power Transformer 220kv 240mva Compact Structure supplier
Earthing Oil Immersed Power Transformer 220kv 240mva Compact Structure supplier Earthing Oil Immersed Power Transformer 220kv 240mva Compact Structure supplier Earthing Oil Immersed Power Transformer 220kv 240mva Compact Structure supplier

Large Image :  Earthing Oil Immersed Power Transformer 220kv 240mva Compact Structure

Product Details:

Place of Origin: Ningbo,China
Brand Name: Tianan Electric
Certification: CESI,CCC,ISO,IEC
Model Number: SFSZ11

Payment & Shipping Terms:

Minimum Order Quantity: 1set
Price: Pending
Packaging Details: Nude/ wooden cases
Delivery Time: 60 days
Payment Terms: T/T, L/C, D/A, D/P
Supply Ability: 1000sets per year
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Detailed Product Description
Power Capacity: 240MVA Rated Voltage: 220KV
Transformer Type: Oil Type Coil Structure: Toroidal
Cooling Method: ONAN / ONAF Winding Material: Copper

220 Kv 240 MVA Oil Immersed Power Transformer Earthing Transformer

 

Product Overview

For 220kV Oil immersed type transformer,which is substation main transformer.The grounding transformer is used to provide a path to an ungrounded system or when the system neutral is not available for some reason, for example, when a system is delta connected. It provides a low impedance path to the neutral and also limits the transient overvoltage when the ground faults occur in the system. The grounding of the system can be done in the following way

Usage Environment

1. Elevation: Not more than 2000 meters.

2. Ambient temperature:

Max. + 50℃.

Min.: -45℃.

To be defined in details at ordering.

Standard

GB 1094.1-2003 GB 1094.2-2003

GB 1094.3-2003 GB 1094.5-2003

JB/T 5344.1-2004 J B/T 6303-2004

JB/T 8506-1996 JB/T 8636-1997

JB/T 9640-1999

 

Technical Parameters

 

Rated
capacity
(kVA)
Voltage combination Connection
symbol
No
-load
loss
(kW)
Load
loss
(kW)
No
-load
current
(%)
Short
-circuit
impedence
(%)
Cross weight(t)  
 
 
HV(kV) HV
tapping range
(%)
LV(kV)  
 
 
31500 220 242 ±2×2.5 6.3 6.6 10.5 YNd11 28 128 0.56 12~14 40  
40000 32 149 0.56 45  
50000 39 179 0.52 55  
63000 46 209 0.52 65  
75000 10.5 13.8 53 237 0.48 75  
90000 61 273 0.44 85  
120000 75 338 0.44 110  
150000 10.5 13.8 15.75 18 21 89 400 0.40 125  
160000 93 420 0.39 130  
180000 102 459 0.36 145  
240000 128 538 0.33 180  
300000 15.75 18 21 151 641 0.30 210  
360000 173 735 0.30 240  
370000 176 750 0.30 250
 

 

 

Earthing Oil Immersed Power Transformer 220kv 240mva Compact Structure

Contact Details
Ningbo Tianan (Group) Co.,Ltd.

Contact Person: admin

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