PMW-AIS-MCSG-24 is the name of the electric isolator used in manufacturing factories. The 24kV electric isolator แบบแยกส่วนประเภท that have passed indoor testing and assembled by PRECISE must also pass strict and detailed quality examinations. The products were designed to be used with LSIS vacuum breakers that are highly efficient. They are designed and manufactured in compliance with IEC62271-100 standards. The circuit breakers that are used also comply with IEC62271-200 standards, as well as other main components which are all consistent to relevant IEC standards.
Technical data
| Classification | 24(25.8)kV 12.5kA 630/1250A | 24(25.8)kV 16kA 630/1250A | |||
| Model Name | PMW-AIS-MCSG-24 | ||||
| Applied standard | IEC 62271-200 | ||||
| LSC (Loss of service continuity category) | LSC2B-PM | ||||
| Power Frequency(1min)/Impulse(1.2x50us) | Main Circuit | 50kV/125kV BIL | |||
| Auxiliary Circuit | 2kV/5kV BIL | ||||
| Rated short time withstand current | Main Circuit | 12.5kA/3s | 16kA/3s | ||
| Earthing Switch | 12.5kA/3s | 16kA/3s | |||
| Protection Degree | IP4X | ||||
| VCB Specification | VCB type | VL- H13 06 | VL- H13 13 | VL- H16 06 | VL- H16 13 |
| Rated Current | 630A | 1250A | 630A | 1250A | |
| Phase distance (mm) | 210/275 | 210/275 | |||
| Rated Frequency (Hz) | 50/60Hz | 50/60Hz | |||
| Classification | 24(25.8)kV 25kA 630/1250/2000/2500A | |||||
| Model Name | PMW-AIS-MCSG-24 | |||||
| Applied standard | IEC 62271-200 | |||||
| LSC (Loss of service continuity category) | LSC2B-PM | |||||
| Power Frequency(1min)/Impulse(1.2x50us) | Main Circuit | 50kV/125kV BIL | ||||
| Auxiliary Circuit | 2kV/5kV BIL | |||||
| Rated short time with stand current | Main Circuit | 25kA/3s | ||||
| Earthing Switch | 25kA/3s | |||||
| Protection Degree | IP4X | |||||
| VCB Specification | VCB type | VL- H25 06 | VL- H25 13 | VL- H25 20 | VL- H25 20 | VL- H25 25 |
| Rated Current | 630A | 1250A | 2000A | 2000A | 2500A | |
| Phase distance (mm) | 210/275 | 210 | 275 | 275 | ||
| Rated Frequency (Hz) | 50/60Hz | 60Hz | 50/60Hz | |||
24 kV Metal-Clad Switchgear
HICLAD-20J
HLCLAD-20J is the so-called factory-assembled and type-tested
Indoor type 24 kv Metal-Clad Switchgear, assembled by Precise Group under
rigorous quality control and passed the careful verification tests. It is designed
to accommodate high-performance MEIDENSHA’s vacuum circult-breaker whicj
has been desigh and manufactured in accordance with IEC60056 (IEC62271-100). The switchgear itself conforms to
IEC60298 (IEC 62271-200), and aill primary components used therein are in accordance with the relevant IEC Standards.
| Description | 24 kV |
| Rated normal current, at special site and service conditions: -for Main bus bar, incoming feeder and capacitor bank (A) -for outgoing feeder (A) -for station service transformer (A) | 2,000 630 - 1,250 6 |
| Rated short time withstand current (kA) | 25 |
| Rated peak withstand current (kA) | 63 |
| Rated duration of short circuit (sec) | 1 |
| Degree of protection for control unit and auxiliary equipment | IP4X |
| Degree of protection for cubicle and between compartments | IP4X |
| Power supply voltage for closing and tripping coils (VDC) | 125 |
| Nominal voltage (kV) | 22 |
| Maximum voltage rating (kV) | 24 |
| Power frequnecy (Hz) | 50 |
| Number of phases | 3 |
| Power frequency withstand voltage (kV) -Phase to earth and between phases -Across open switching device and isolate distance | 50 60 |
| Lightning impulse withstand voltage (kV) -Phase to earth and between phases -Across open switching devices and isolated distance | 125 145 |
| Main busbar copper cross-section areas (sq.mm) | (80x10) x 2 |
| Earth busbar copper cross-section areas (sq.mm) | 30x5 |
Unit Substation
Unit Substation are designed for support Spec. of MEA and PEA to be
usable 12 kV, 24 kV and 33 kV. Which is completely weatherproof designed, suitable for outdoor tropical climate. It is unaffected by moisturem, dust, condensation and vermin proof. The cubicle is made steel sheet having the thickness 3-4 mm. Metal surface coating with polyester powder paint.
