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12KV 1600A Medium Voltage Mv Electrical Switchgear

12KV 1600A Medium Voltage Mv Electrical Switchgear

The 12KV 1600A Medium Voltage Mv Electrical Switchgear KYN28-12(Z) AC metal armored switchgear is designed for three-phase AC power systems with a rated voltage of 12kV and a rated frequency of 50Hz. It serves as a reliable and efficient solution for receiving, distributing, controlling, protecting, and monitoring electrical energy in various applications..

Model:12KV 1600A medium voltage electrical switchgear

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Product Description

Standards compliant:

GB3906-2006 "3.6~40.5kV AC metal-enclosed switchgear and control equipment"

GB11022-89 "General Technical Conditions for High Voltage Switchgear"

IEC298(1990) "AC metal-enclosed switchgear and control equipment with rated voltages above 1kV and 50kV and below"

DL404-97 "Technical Conditions for Ordering Indoor AC High Voltage Switchgear"

Normal usage environment

◆Surrounding air temperature: maximum temperature+40 ℃, minimum temperature -15 ℃;

◆Relative humidity: Daily average relative humidity: ≤ 95%, daily average water vapor pressure does not exceed 2.2KPa;

Monthly average relative humidity ≤ 90%; The monthly average water vapor pressure does not exceed 1.8KPa; Altitude: ≤ 1000m;

◆Earthquake intensity: not exceeding level 8;

◆The surrounding air should not be significantly polluted by corrosive or combustible gases, water vapor, etc;

◆No places with severe vibration;

◆When using beyond the normal conditions specified in GB3906, the user and our company shall negotiate

Functions and features

The 12KV 1600A Medium Voltage Mv Electrical Switchgear is engineered in accordance with the armored metal-enclosed switchgear standard GB3906-91. It consists of two main parts: the cabinet and the central pull-out portion (also known as the handcart). The cabinet is divided into four separate compartments, offering IP4X enclosure protection. When the doors of each small compartment and the circuit breaker room are opened, the protection level is IP2X. The switchgear features overhead incoming and outgoing lines, cable incoming and outgoing lines, and various functional solutions. After configuration and combination, it forms a comprehensive power distribution system device. This switchgear can be installed, debugged, and maintained from the front, allowing for back-to-back, double, or wall-mounted installation, which enhances safety, flexibility, and space-saving capabilities.

Main technical parameters of 12KV 1600A Medium Voltage Mv Electrical Switchgear

Main technical parameters of vacuum switchgear

When utilizing a circuit breaker to regulate a 3-10KV motor, the implementation of a metal zinc oxide lightning arrester is mandatory if the starting current falls below 600A. The specifications for this arrangement are determined through discussion between the user and our company, with the stipulation that the rated current of the capacitor bank must not surpass 80% of the rated current of the circuit breaker when the circuit breaker is employed to disconnect the capacitor bank.

Technical parameters of operating mechanism

The 12KV 1600A Medium Voltage Mv Electrical Switchgear is designed according to the armored steel confined switchgear in GB3906-91. The entire is composed of two primary parts: a cupboard and a main withdrawable spare component (i.e. a handcart) (see Figure 1). The cabinet is split right into four separate areas, with an enclosure defense level of IP4X. When the doors of each compartment and breaker space are opened, the defense level is IP2X. Geared up with overhanging inbound and outgoing lines, cable television incoming and outgoing lines, and other functional schemes, organized and integrated to form a complete collection of power circulation system devices. This switchgear can be mounted, debugged, and kept from the front, so it can be back-to-back, prepared in a dual setup, and mounted against the wall, enhancing the security, flexibility, and reducing the footprint of the switchgear.

◆ Covering and others

The major structure of the switchgear is made of light weight aluminum zinc thin steel plate, refined by CNC device tool, and takes on multiple folding process, which not just has the advantages of high precision, solid rust resistance and oxidation resistance, but also makes the cupboard lighter in weight, greater in mechanical toughness, and extra aesthetically pleasing in look contrasted to various other comparable tools closets because of the use of numerous folding process. The closet embraces a constructed structure, linked by rivet nuts and high-strength screws, which reduces the processing cycle, enhances the universality of components, inhabits less space, and is convenient for organizing production.

◆ Handcarf

The handcart framework is assembled from thin steel plates refined by CNC device devices. The handcart and closet are insulated and worked with, and the interlocking mechanism is safe, trustworthy, and adaptable. According to their usage, handcart can be divided into circuit breaker handcart, voltage transformer handcart, metering handcart, isolation handcart, and various other types of handcart. According to component and block kind variants, handcart of the very same requirements can be openly exchanged 100%. The handcart has an interference setting, a screening position, and a functioning setting inside the cabinet. Each setting is outfitted with a placing device to ensure reliable. interlocking. The procedure should be performed according to the interlacing defense actions operation procedure. All handcart makes use of nuts and screws to move and exit, and its procedure is light and adaptable, appropriate for working employees to operate. When the handcart requirements to be relocated away from the closet, a devoted transfer car can be quickly pulled out for different assessments and upkeep, And it embraces a mid mounted layout, with a little quantity for assessment, upkeep, and comfort.

◆ Compartment

The main electrical elements of the switchgear have independent areas, specifically: breaker handcart room, busbar space, cable television room, relay instrument area. The security degree between each compartment reaches lP2x; Besides the relay, all other 3 layouts have their own pressure alleviation channels. Due to using a central layout, the cable area space is greatly enhanced, permitting the tools to connect several wires.

◆ Breaker Area

Tracks are set up on both sides of the compartment for handcart 5 to move and slide from the detached setting and test placement to the functioning position inside the cupboard. The dividing 3 (valve) of the fixed get in touch with box 16 is mounted behind the rear wall surface of the handcart area. When the handcart relocates from the separated placement examination setting to the working position, the flaps on the upper and reduced fixed call boxes are related to the handcart and immediately open. When relocating the contrary direction, the flaps instantly close until the handcart returns to a specific position and entirely covers the static call box, developing efficient isolation. Because of the different operation of the upper and reduced valves, during maintenance, the valve on the real-time side can be secured to guarantee that maintenance employees do not touch the live body. When the breaker space door is shut, the handcart can also be operated.

Through the monitoring window of the center door, the placement of the handcart being taken care of and closed in the compartment can be observed, and the power storage space condition can be presented.

◆ Busbar Compartment

The main busbar 18 is a solitary unit interlaced and attached per various other, fixed by the primary busbar 20 and the static contact box. The primary busbar and linking busbar are copper bars with rectangular cross-sections, used for high currents. When composite, dual busbars are utilized to construct them. The branch busbar is attached to the static call box 16 and the main busbar with screws and does not call for any other assistance. For special needs, the busbar can be covered with heat diminish tubes, insulation sleeves with connecting screws, and end caps. Surrounding cabinet busbars are repaired with sleeve 19, to make sure that the air buffer maintained between the connecting busbars can protect against melting in the event of inner fault arcs. Sleeve 19 can properly restrict mishaps to this cupboard and not infect other cupboards.

Overall dimensions

Installation of switchgear

Schematic diagram of switchgear structure

◆ The adhering to layout shows the structural elements of the switchgear. All steel modular setting up structure, the closet body is constructed from imported aluminum zinc layered plate with strong anti-corrosion capability, without surface area treatment. It is processed by CNC high-precision equipment and takes on innovative several folding procedure. The link is connected with rivet nuts and high-strength bolts, with high accuracy, lightweight, and excellent toughness.

◆ The switchgear can be geared up with our firm's VS1 collection, VD4 series, ZN65 series and other vacuum cleaner breaker, with large applicability and solid interchangeability. The handcart is outfitted with a working placement, a screening setting, and placing and screen devices at each placement, making sure safety and dependability.

◆ The cord space can fit as much as 9 solitary core cable televisions, and the tools is geared up with reliable mechanical and electrical interlocking devices, fully satisfying the "five prevention" demands. Each room is outfitted with pressure alleviation networks to make certain personal security during procedure.

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