50 Tsentralnaya str., Eltai village, Almaty region, Kazakhstan
Monday-Friday. from 9.00 to 18.00
Request a call
Complete transformer and distribution substations (CTS) with a capacity from 25 to 2500 KVA for voltage up to 10 kV inclusive, three-phase alternating current with a frequency of 50 Hz are designed for receiving, converting and distributing electrical energy and are designed for power supply to industrial facilities, as well as residential and public buildings.
|
Signs of classification of CTS |
Execution |
|
1. According to the type of power transformer |
Oil; oil sealed, non-flammable dielectric liquid sealed, dry, molded insulation |
|
2. According to the method of making the neutral of the transformer on the low voltage side (LV) |
With solidly grounded neutral; |
|
3. According to the relative position of products |
Single row, double row |
|
4. According to the number of power transformers used |
With one transformer; |
|
5. By performing high-voltage input |
Cable (K); |
|
6. On making conclusions (buses and cables) in RUNN |
Output up; |
|
7. Availability of busbar insulation in the switchgear on the LV side (RUNN) |
With non-insulated tires; with insulated tires |
|
8. By climatic version and location category |
U3 – CTSI; U1, |
|
9. By type of shell and degree of protection |
For indoor substations in accordance with IP for component equipment in accordance with GOST 14254-96. For CTSNO with closed shutters on the gate – IP 45, with open shutters – IP 13. |
|
10. According to the method of installing circuit breakers in RUNN |
With withdrawable switches, |
|
11. According to the purpose of RUNN cabinets |
Introductory, linear, sectional |
|
12. Based on the availability of service corridor |
Without a service corridor (vestibule); |
|
13. Terms of service |
With two-way service |
|
14. According to the presence of AVR |
With AVR; Without AVR. |
Basic parameters of PTS
|
Parameter name |
Parameter value |
|
Power transformer power, kVA |
25; 40; 63; 100; 160; 250; 400; 630; 1000; 1250; 1600; 2000; 2500 |
|
Rated voltage on the high voltage side (HV), kV |
6; 10 |
|
Highest operating voltage on the HV side, kV |
7,2; 12 |
|
Rated voltage on the low voltage side (LV), kV |
0,23; 0,4; 0,69 |
|
Thermal resistance current of busbars for 1 s, kA: |
4,0; 6,3; 8,0; 10,0; 12,5; 16,0; 20,0; 25,0; 31,5 |
|
Electrodynamic resistance current of busbars, kA: on the HV side |
10,0; 16,0; 21,0; 26,0; 32,0; 41,0; 51,0; 64,0; 81,0 |
|
AC frequency of main circuits, Hz |
50±1,25 |
|
AC frequency of auxiliary circuits, Hz |
50±1,25 |
|
Insulation level according to GOST 1516.3: |
Lightweight |
Complete transformer and distribution substations (CTS) with a capacity from 25 to 2500 KVA for voltage up to 10 kV inclusive, three-phase alternating current with a frequency of 50 Hz are designed for receiving, converting and distributing electrical energy and are designed for power supply to industrial facilities, as well as residential and public buildings.
CTS have the following parameters of resistance to external environmental factors:
ambient air temperature;
CTS are suitable for operation in icy conditions with ice thickness up to 20 mm and wind speed of 15 m/s (wind speed 146 Pa), and in the absence of ice – at wind speed up to 36 m/s (wind speed up to 800 Pa).
