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SIMOSEC

 
 
 

SIMOSEC switchgear is a factory-assembled, type-tested, three-phase, metal-enclosed, indoor switchgear according to IEC 62271-200 and GB 3906 for single busbars.

Typical uses

SIMOSEC switchgear is used for power distribution in distribution systems with busbar currents up to 1250 A.

The modular, space saving design enables application in

Substations, customer transfer substations, distribution substations and switching substations of power supply and public utilities Public buildings, such as high-rise buildings, railway stations, hospitals Industrial plants

Typical applications

Wind power stations High-rise buildings Airports Underground railway stations Sewage treatment plants Port facilities Traction power supply systems Automobile industry Petroleum industry Chemical industry Unit-type heating power stations Textile, paper and food industries Emergency power supply installations Shopping centers and data centers

SIMOSEC Features:

Modular design Reliability Personal safety Compact design Security of operation Re-availability Cost-efficiency Quality and environment Service life at least 35 years

Technology

  • Air-insulated indoor switchgear
  • Gas-insulated, maintenance-free switching functions for the three-position switch as switch-disconnector
  • Partition class: PM (metallic partition)
  • Three-pole primary enclosure
  • Phases arranged one behind the other
  • No cross insulation between phases
  • Busbar system at the top
  • Air-insulated busbar and cable connection system
  • Three-position switch, metal-enclosed, with air-insulated primary terminals and gas-insulated switching functions
  • Vacuum circuit-breaker, metal-enclosed, up to 1250 A, fixed-mounted in gas-insulated switching-device vessel
  • Option: Vacuum circuit-breaker (type 3A_), air-insulated, up to 1250 A, removable design: Easy to remove after loosening the fixing bolts
  • Hermetically-sealed by welded, stainless-steel switching device vessel
  • For switching devices
  • With insulating gas SF6 (fluorinated greenhouse gas)

Insulating system

    • Switching-device vessel filled with SF6 gas
    • Features of SF6 gas:
    • Non-toxic
    • Odorless and colorless
    • Non-inflammable
    • Chemically neutral
    • Heavier than air
    • Electronegative (high-quality insulator)
    • Global Warming Potential GWP = 22,800
  • Pressure of SF6 gas in the switching-device vessel

(absolute values at 20 °C):

  • Rated filling level: 140 kPa
  • Design pressure: 180 kPa
  • Design temperature of the SF6 gas:
  • 80 °C
  • Operating pressure of bursting disc:
  • ≥ 270 kPa
  • Bursting pressure: ≥ 550 kPa
  • Gas leakage rate: < 0.1 % per year

Panel design

  • Factory-assembled, type-tested
  • Metal-enclosed, with metallic partitions
  • LSC 2 panels, LSC 1 panels (without isolating distance)
  • Pressure relief
  • To the rear and upwards
  • Separately for each compartment
  • Air-insulated cable connection system for conventional cable sealing ends
  • Option: Three-phase current transformer, factory-assembled on the feeder bushings
  • Integrated low-voltage niche (standard) for installation of, e.g.
  • Terminals, MCBs, pushbuttons
  • Protection devices
  • Option: Top-mounted low-voltage compartment
  • Option: Panel heating for severe ambient conditions,e.g. condensation.

Electrical Specifications

  • Rated voltages up to 24 kV
  • Rated short-time withstand current up to 25 kA
  • Rated normal current of feeders
  • Up to 800 A, e.g. for ring-main, metering panels
  • Up to 1250 A, for circuit-breaker panels
  • Up to 1250 A, for bus sectionalizer panels
  • Rated normal current of busbar up to 1250 A

SIMOSEC switchgear is a factory-assembled, type-tested, metal-enclosed switchgear for indoor installation.

SIMOSEC switchgear is classified according to IEC 62271-200/VDE 0671-200.