High Voltage Cabinet

GOST R 51164, GOST 9.6 02, GOST 151150

Features

  • Protection of underground metal structures from soil corrosion and deteriorating influence of stray currents.
  • Provision of combination of equipment transducing high 6 or 10 kV voltage from high voltage transmission lines to low 0.23 kV voltage, cathodic protection stations, and a range of auxiliary equipment (telemechanics equipment, emergency backup units, air heating systems etc.) in the common metal casing.

Application

Onshore, Offshore and Marine applications

Specification

Parameter descriptionStandard value
1 Rated mains supply voltage, kV 6; 10
2 Mains frequency, Hz 50
3 Nature of supply current AC
4 Rated power of transformer, kVA 6; 10
5 Rated voltage of power transformer, kV
-lower
-upper

6; 10
0.23
6 Power factor in rated mode, minimum 0.8
7 Range of the rectified current and voltage adjustment, % 0-100
8 Output current ripple with filter, %, maximum 3
9 Rated current of high voltage fuse link, А 2
10 Rated currents of main circuit, А:
– on the high voltage transmission line side 6 kV; 10 kV
– on the low voltage side

1.7; 1.0
50
11 Cathodic protection station type Transformer Pulse
12 Number of cathodic protection stations, pcs. 1; 2; 3; 4
13 Power of cathodic protection stations, kW 1.0; 2.0; 3.0; 4.0; 5.0
14 Stability of current or potential, % ±2.5
15 Weight with one rectifier station (5 kW), kg, maximum 550
16 Weight of main components, kg:
- input cabinet
- main cabinet
- main cabinet

101
215
290
17 Service life, years 30
18 Grounding system TN-C
19 Protection rating:
- top and lateral surfaces
- bottom
GOST 14254:
IP44
IP31

Fig. 1 – Overall dimensions

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