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Description

All metal parts of the cell body are made of a bent profile with a thickness of at least 2 mm. All doors of the cell are interlocked so that they can only be opened in safe conditions. Cell service terms are unilateral.

For the safety of servicing and localization of accidents, the "Magnum" switchgear housing is divided into isolated compartments.

The cell consists of four compartments:

  • compartment for secondary switching;
  • busbar compartment;
  • compartment of current transformers;
  • compartment for cable connections.

The "Magnum" switchgear cell is a prefabricated metal structure, the component parts of which are interconnected by means of rivets. The devices and fittings of the main and auxiliary circuits are located inside the body.

Specifications

The “Magnum” switchgear cells are designed for operation in electrical installations of three-phase AC with a frequency of 50 and 60 Hz and a voltage of 6 and 10 kV for a system with an isolated or grounded neutral through an arc suppression reactor.

Parameter name  Parameter value 
Rated voltage, kV  6; 10 
The highest operating voltage, kV  7.2; 12 
Rated current of the main circuits of cells with a vacuum circuit breaker, A   630 
Rated breaking current of cells with a vacuum circuit breaker, kA  12.5; 16; 21 
Thermal resistance current of cells with a vacuum switch (short-time current), kA  12.5; 16; 21 
Electrodynamic stability current of main circuits, kA  32; 40; 52 
Flow time of short-time thermal current, For cells vacuum circuit breaker s.   3
Rated current of current transformers, A  50; 75; 100; 150; 200; 300; 400; 600 
Rated current of the busbars, A  630; 1250 
Rated current of busbar bridges, A  630; 1250 
Rated voltage of auxiliary circuits, V:
- protection, control and signaling circuits
- lighting circuit  

= / ~ 220
= 12  
Busbar system  With one busbar system 
Service conditions  With one-way service 
Type of linear high-voltage bushings (connections)  Cable and busbar 
Degree of protection according to GOST 14254-96  IP20 - for the outer shell of the facade and sides; IP00 - for the rest of the cells  

 

  • Come - we will pay

    Travel expenses, airfare, hotel at our expense

    The promotion is valid until December 1, 2016

  • Delivery at our expense

    When ordering the equipment in the amount of 5 mln. rub.

    The promotion is valid until December 1, 2016

  • Compartment of secondary connections

    The compartment houses the secondary circuit equipment: microprocessor protection units, circuit breakers, relays, terminal rows, signaling equipment, etc. On the door of the compartment, as a rule, there is a block of microprocessor protection, measuring and metering devices, push-button control posts and light- signaling equipment. Interpanel connections of auxiliary circuits are carried out using connectors located in the cable duct in the relay compartment.

    Current transformer compartment for cable connections

    To connect the cable in the switchgear, a special connection unit has been developed, which is connected directly to the contacts of the TL current transformer using a Raychem RICS adapter (or an analogue).

    Main bus section

    The compartment contains the busbars connected to the fixed top contacts of the multifunction device. The busbars are made of electrolytic copper and can withstand currents up to 1250 A. The system uses flat buses.

    This node is compatible with all RICS adapters. The offered T-shaped adapters RICS for bushing according to the EN-50181 type C (400-630a) standard for switchgear cells with gas insulation for 10 kV involves connecting cables with a cross-section:

    • with plastic insulation 25-300 mm2;
    • with paper insulation 35-200mm2

    Multifunctional device HySec

    HySec is a new multifunctional compact device designed for use in medium voltage KRU for secondary distribution.

    HySec combines the functions of three devices: circuit breaker, disconnector and grounding switch. The upper part of the unit acts as a switch and consists of an epoxy resin housing containing three vacuum switches. The lower part, made of stainless steel, has the functionality of a switch-disconnector for isolating cables from the busbars and an grounding switch for grounding cables.

    In order to avoid erroneous actions of personnel during operational switching during operation, maintenance and repair, the following locks are performed in the cells:

    • Mechanical interlocking that prevents the disconnector from opening when the contacts of the vacuum circuit breaker are in the closed position and vice versa.
    • Mechanical interlocking of the grounding switch operation when the disconnector is on.
    • Electromagnetic interlocking of opening the door of the cable compartment in the presence of voltage on the input cable.

    Additional locks are optionally available.

    Safety and reliability Ease of operation

    The design of the switchgear provides for the separation of all compartments by metal partitions;

    Mechanical and electromagnetic interlocks are performed in the cells to avoid erroneous actions of personnel during operational switching during maintenance and repair;
     
    This cell according to IEC 62271-100 and GOST R 525652006 corresponds to class E2 in terms of electrical life, and corresponds to class M2 in terms of mechanical life, 10,000 mechanical operations;
     
    Service life is at least 25 years.

    Multifunctionality

    The installed equipment allows using this cell as an input, outgoing, sectional, line for the protection of transformers and motors. From these cells, switchgears are assembled, the principle of operation of which is determined by a set of circuits of the main and auxiliary circuits of the cells.
     
    Local and remote control of switching devices does not cause difficulties, since the devices have a simple and understandable interface;
     
    To connect the cable in the switchgear, a special connection unit has been developed, which is connected directly to the contacts of the current transformer using the Raychem RICS adapter. This node is compatible with all RICS adapters. The offered T-shaped adapters assume the connection of cables with a cross-section: with plastic insulation 25-300 mm2, with paper insulation 35-200 mm2.

    Uniqueness

    The "Magnum" switchgear cell is equipped with a HySec multifunctional device that combines a vacuum circuit breaker and a three-position load switch, combined with an grounding switch, in SF6 insulation.
     
    Installation of KRU "Magnum" in a block-modular building allows to reduce the size of the building up to 30%, or to increase the number of connected consumers up to 150%.

    Reviews

    ООО «БазисЭнерго» выражает свою благодарность ООО «ЧЗЭО» за взаимовыгодное и плодотворное сотрудничество. Хотелось бы отметить высокое качество изготавливаемого электрооборудования, прошедшее все необходимые испытания. Высококвалифицированный коллектив Вашего предприятия всегда готов предоставить полную и исчерпывающую консультацию по любому вопросу.

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  • Come - we will pay

    Travel expenses, airfare, hotel at our expense

    The promotion is valid until December 1, 2016

  • Delivery at our expense

    When ordering the equipment in the amount of 5 mln. rub.

    The promotion is valid until December 1, 2016