Complete switchgear of the CS-Atlant series

Complete switchgears of the CS-Atlant series (hereinafter referred to as CS cabinets) are designed for receiving and distributing electrical energy of three-phase alternating current with a rated voltage of 6; 10 kV industrial frequency 50 Hz in networks with isolated or grounded through an arc suppression reactor or active resistance neutral for switchgear of power stations, substations and in electrical installations of industrial enterprises.

Cabinets of the CS-Atlant series combine many technical solutions, confirmed by tests. Particular attention is paid to ensuring a high level of equipment safety for operating personnel, reliability and simplicity of design solutions.

Advantages:

increased reliability and safety in operation due to the use of a modern high-voltage vacuum circuit breaker;
reduced overall dimensions;
possibility of access to the internal elements of the cabinet from the facade;
the ability to quickly and safely replace a vacuum circuit breaker using an inventory trolley;
increased operational safety through the use of more reliable interlocks against erroneous actions of substation personnel during operational switching and repair work;
placement of auxiliary circuit equipment in a separate removable relay cabinet, which is completely isolated from the power circuits of the camera, the possibility of top, bottom or side connection of input and output buses;
moving the switch and applying grounding is done with the doors closed and without effort, since screw multi-turn gearboxes are used;
the use of an instantaneous grounding switch eliminates the possibility of

arcs;

Cabinets of complete switchgears of the CS series comply with the requirements of interstate standards GOST 14693, GOST 12.2.007.0, GOST 12.2.007.4, GOST R55190.

Characteristics

Application area

table 1

Technical characteristics of switchgear cabinets
Name of parameters	Parameter values
Rated operating voltage, kV	6.0; 10.0
Rated current of the main circuits of cabinets, A	630; 800; 1250; 1600; 2000; 2500;3150; 4000
Rated current of busbars, A	up to 4000
Rated breaking current of the circuit breaker built into the switchgear, kA	up to 40
Thermal resistance current for a period of time 3s, kA	up to 40 1)
Rated current of electrodynamic resistance of main circuits, kA	up to 102 1)
Rated voltage of auxiliary circuits, V	=110, =220/~220

Currents of thermal and electrodynamic resistance of current transformers – in accordance with the technical documentation for them.

table 2

Overall dimensions (see Fig. 1) and weight of cameras
Options	Meaning
Width (H) Depth (L/L1 Cabinet depth with busbar entry ) Height (H)	see table 3 1400/1600 2225;2360
Weight of one camera, reference kg	From 600

Table 3

Width of switchgear cabinets
Rated current of the main circuits of cabinets, A	A (width, mm)
Rated current of the main circuits of cabinets, A	650	750	900	1000
In=630A	О	О	О	О
In=800A	О	О	О	О
In=1250A	О	О	О	О
In = 1600A	X	О	О	О
In = 2000A	X	X	О	О
In = 2500A	X	X	S,VL	О
In = 3150A	X	X	S	О
In = 4000A	X	X	S	О

O – being manufactured; X – not manufactured; S – SION Siemens; VL – SUSOL Lsis. CDT cabinet – width depending on the transformer used

Symbol structure
Switchgear made from CS-Atlant cabinets (general designation) CS-Atlant – Х-ХХ-У3:
CS	Complete upgraded device
Atlant	Plant modification
X	Voltage class, kV
XX	Rated current of busbars, A
UZ	Type of climatic modification and category of placement according to GOST 15150-69.
Designation example: CS-10-1600-U3 Complete modernized device with voltage 10 kV, rated current of busbars 1600 A, climatic version and placement category U3.

Table 5

Structure of the symbol for switchgear cabinets
General designation of cabinets ШХХ -ХХ-ХХ-ХХХХ:
SHXX	Cabinet type in accordance with table 6
XX	rated voltage (10 or 6), kV
XX	number of the cabinet main circuit diagram in accordance with Table 7
XXXX	rated current of the main circuits of the cabinet, A
Designation example: CVS-10-010-1250 A cabinet with a vacuum circuit breaker for a voltage of 10 kV according to the main circuit diagram 010, the rated current of the main circuits of the cabinet is 1250 A.

Table 6

Classification of switchgear cabinet designs
Classification sign	Execution
Type of design of switchgear cabinets depending on the built-in equipment and connections (Main design options)	CVS – cabinet with a vacuum switch; CVT – cabinet with voltage transformers; ShPS – cabinet with power fuses; CDCC – cabinet with detachable contact connections; ShKS – cabinet with cable assembly; CDT – cabinet with dry transformer 40 kVA and fuses on a withdrawable element
Type of insulation	Air/combined
Availability of insulation of live parts	With non-insulated busbars / with partially insulated busbars
Control type	Local/remote
Terms of Service	One-sided (possibly two-sided)
Execution of inputs	Cable/bus
Degree of shell protection from the façade side	Not less than IP31 (according to GOST 14254-96)
*Note:* To supply circuits for auxiliary needs, switchgears are equipped upon request with direct or alternating operating current cabinets.

Purpose of circuits
Scheme	Purpose
010, 011, 012, 013, 020, 021, 022, 023, 025,	Cable entry or outgoing cable line
026, 030, 031	Bus input
040, 041	Sectional switch
050, 051, 052, 058	Sectional disconnector
060, 061, 062	Voltage transformer
070	Line to TSN
073	TSN
080, 081, 082	Cable assembly

Switchgear cabinets are designed to operate in the following conditions:

in terms of the impact of environmental climatic factors – version U category 3 according to GOST 15150-69 and GOST 15543.1-89, at an ambient temperature in the indoor switchgear from minus 5 to plus 40 ° C ¹⁾ ;
installation height of cabinets above sea level – no more than 1000 m (the use of switchgear cabinets is allowed for operation at an altitude above sea level of more than 1000 m;
environment – non-explosive, not containing aggressive gases and fumes, chemical deposits, not saturated with conductive dust and water vapor;
nominal operating mode – continuous;
working position in space – vertical;
the resistance of switchgear cabinets to mechanical environmental influences corresponds to the group of operating conditions M39 according to GOST 1-90, in areas with seismicity no more than 9 points on the MSK-64 scale;
the heating temperature of parts of the cabinet shell that can be touched during operation in nominal mode should not exceed 50 ^o C (GOST 14693-90);
the upper value of the heating temperature of contact connections during operation is 75 ^o C (GOST 8024-90).

Note:

When installing and using switchgear cabinets of version U3 in electrical rooms where it is possible to reduce the air temperature below minus 5 ^o C, the consumer must provide heating means for the switchgear room, ensuring normal temperature conditions for the operation of the equipment and equipment of the switchgear cabinets in accordance with the technical conditions for them.

Complete switchgear of the CS-Atlant series

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