• "Real" metalclad switchgear which answers the requested IEC 60127-100 standards and even more... 

    Swıtchgear Constructıon;

    Each PVP and PELMCC type ...

  • Technical Features

    • Safety in commisioning works and tests by disconnecting the related parts of the system at no load condition.
    • Reliability in ...
  • General;

    The ultimate quality of electrical power supply is mainly determined by the medium voltage system. One of the most significant parts of ...

      
      

"Real" metalclad switchgear which answers the requested IEC 60127-100 standards and even more... 

Swıtchgear Constructıon;

Each PVP and PELMCC type switchgear unit basically comprises a 3mm thick ...

Technical Features

  • Safety in commisioning works and tests by disconnecting the related parts of the system at no load condition.
  • Reliability in earthing and short circuiting the dead parts of ...

General;

The ultimate quality of electrical power supply is mainly determined by the medium voltage system. One of the most significant parts of this system is constituted by the switchgear ...

"Real" metalclad switchgear which answers the requested IEC 60127-100 standards and even more... 

Swıtchgear Constructıon;

Each PVP and PELMCC type switchgear unit basically comprises a 3mm thick sheet steel mounting housing and a trolley carrying the vacuum circuit breaker. The application of computer controlled high precision punching, cutting, bending and welding techniques ensures all enclosers to be identical in every dimension; rigid and distortion resistant under short circuit conditions and during transportation.;
Each switchgear unit is subdivided into the following compartments

  • Busbar Compartment(s)
  • Circuit Breaker Compartment
  • Cable Connection Compartment
  • Low Voltage (LV) Compartment


Against any improbable internal arc fault, all the high voltage compartments comprise individual pressure relief flap discharging from the top.

Type Test Reports

 

 

 

Technical Features

  • Safety in commisioning works and tests by disconnecting the related parts of the system at no load condition.
  • Reliability in earthing and short circuiting the dead parts of the system.
  • Fully in compliance with IEC Publication No.129.
  • Type test sertificates from CESI in all the ratings and all types, i.e. indoor, outdoor,and set-up in cubicle.
  • Long mechanical endurance.
  • Posibility of supplying standart disconnecting switches type PNS and also thefollowing alternatives(*)

Type Test Reports

 

 

 

 

General;

The ultimate quality of electrical power supply is mainly determined by the medium voltage system. One of the most significant parts of this system is constituted by the switchgear circuit breakers.Over breakers employing other arc-quenching principals, vacuum circuit breakers offer several advantages particularly being practically maintenance free and capable of performing switchgear operations even in critical circumstances.The vacuum circuit breakers are perfectly conducting at the opening up to the precise moment of the alternating current zero point and completely insulating instantly after that point, hence vacuum breakers can be assumed to be "the ideal arc interrupting" circuit breakers. The vacuum arc of short lenght and forms of a plasma of high conducting metal vapours sustain a very low arc voltage until extinguishing take place at natural current zero point. Furthermore, the vacuum comprises physically the ideal insulator due to the theoretically impossible start of ionization process which causes the instant condensation of essential metal vapours on shield and contacts. The energy level developed  inside the arc-quenching chamber is minimum because of the very low arc voltage related to immediate recovery of dielectric strength. Additionally, the energy necessary to the operating mechanism can itself be very reduced due to low strokes and minimized moving masses. Consequently, with the combination of these advantageous energetic features, from both arc-quenching media and operating mechanism, which provide practically free maintenance and capability of performing wide range of switching operations, the PVB type vacuum circuit breakers are ideal choice for your medium voltage system.

Description :

PVB type vacuum circuit breaker is mainly composed of:
  • Three vacuum interrupters with insulating frame(s),
  • Supporting frame between main components,
  • PCRR 1000 type operating mechanism.

Tip Test Raporları

 

Assembling-and-service-manual-for-pvd-type-vacuum-circuit-breakers

 

 

 

 

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