Complete Transformer Substations for Outdoor Installation in an Insulated module (Ktpnu)
(Equipment / Material)
Condition: New
Location or Storage Country: Russia
Service Engineering Support: Yes
Warranty: Yes
Price: Call for price
Description:
Complete transformer substations for outdoor installation in an insulated module (hereinafter KTPNU) are transformer substations of a dead-end or through type, outdoor installation and are used to receive three-phase alternating current electric energy with a frequency of 50 (60) Hz, voltage of 6, 10, 20 kV, convert it into electric energy with a voltage of 0.4 kV (0.66 kV) and supply it to consumers.
Overview:
| Power transformer capacity, kVA | 16; 25; 40; 63; 100; 160; 250; 400; 630; 1000; 1250; 1600; 2000; 2500; 3150 |
| Power transformer type | oily / dry |
| Nominal voltage on the HV side, kV | 6; 10, 20 |
| Maximum voltage on the HV side, kV | 7.2; 12.0; 24.0 |
| Nominal voltage on the LV side of the network with a solidly earthed neutral, kV network with solidly earthed neutral, kV isolated neutral network, kV | 0.4kV (380/220V) 0.66kV (660/380V) |
| Dynamic withstand current on the HV side, kV | 51 |
| Dynamic withstand current on the LV side, kV | 50 |
| Thermal withstand current on the HV side, kA | 20 |
| Thermal withstand current on the LV side, kA | 20 |
| Rated current of busbars on the HV side, A | 630; 1000; 1600 |
| Max. rated current on the HV side for connecting lines, A | 400; 630; 1000; 1600 |
| Rated current of busbars on the LV side, A | from 250 to 6300 |
| Max. rated current on the LV side for line connection, A | up to 4000 |
| Heating system | electric heating |
| Ventilation system | natural / forced |
| Degree of insulation pollution according to GOST 9920 | I-II |
| Method of connecting the transformer: - from the VN side - from the NN side | cable / busbar cable / busbar |
| Estimated value of snow cover weight, kgf/m² * | 320 (V snow region) |
| Standard value of wind pressure, kgf/m² * | 60 (V wind region) |
| Structural fire hazard class | C0 |
| Fire hazard category | IN |
| Fire resistance rating * | II / III |
| Fire resistance limit * | EI 60/EI 90/EI 120 |
| Degree of protection according to GOST 14254 | IP 34 |
| Seismic resistance according to MSK scale up to , points * | 9 |
| Service life, years | 30 |
| Weight of one module of the KTPNU, kg, no more than | 8000 |
* – specific requirements for execution must be specified in the customer’s technical specifications.
OOO "NZET"
Locations: Novosibirsk region, Novosibirsk, Betonnaya st., 8A, building 2
Main Products/Services: Equipment for electrical networks