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Ht And Lt Switchgears, Distribution Panels

Supplier From India
Sep-10-19

later wiil be given

given later

Price and Minimum Quantity

Price: $3000
MOQ: Not Specified

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One important element of good power system design is the proper selection of the distribution equipment. The choice of using either switchgear or switchboards must be based on many different criteria and the design of the power system requires thought be given to each one.
Tungwell's sister company CPEPEC is a vertically integrated manufacturer and fabricator of engineered material solutions for switchgear applications. We manufacture custom material solutions for the following types of equipment:
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Supplier From Xiangyang, Fancheng, China
 
High voltage distribution switchgear
1) general
A complete set of indoor equipment of a single bus bar or double bus bars segmented system rated at 3kvto 12 kv in voltage and 50 hz in frequency.
It has the functions of receiving & distribution power, and controlling, protecting and measuring circuit

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1:anti-corrosion cabinet, can be used in complex working condition2:intelligence and easy control
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Supplier From Nagpur, Maharashtra, India
 
JSA Exports, a renowned player in the import-export sector, proudly presents a
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Supplier From Wenzhou, Zhejiang, China
 
Dfs

Wood
Jan-09-12
 
XGN2-12 High voltage AC switchgear fixed type metal-enclosed switchgear applied to the 3.6kV~ 12kV three phase AC 50/60Hz system to receive and distribution power energy The device is extensive used for industry. civil cable looped network and terminal power supply, especially for power receipt and distribution for urban residential community, secondary mini-power substation, switching station, industrial and mining enterprises, shopping mall, airport, subway, small and medium power station, hospital, stadium, railway, tunnel etc.. The equipment is the newest metal closed switchgear use air insulation, and it has many advantages such as: simple structure, flexible operation, easy installation, reliable interlocking and so on.

Item Unit Rated parameters
Model of circuit breaker and isolating switch
ZN28-12 VDS-12 Gn30-12G
Rated voltage KV 12
Rated current A 630 1250 630 1250 630 1250
Rated short-circuit
Breaking current KA 20 31.5 20 31.5
Rated short-circuit
Marking current KA 50 80 50 80
Rated dynamic current maximum KA 50 80 50 80 50 80
4S rated thermal stability current KA 20 31.5 20 31.5 20 31.5
Rated insulation
level Power-frequency
withstand strength
in 1 min KV interphase and opposite type: 42
fracture type: 48
Lightning-impulse
withstand strength interphase and opposite type: 75
fracture type: 85
Outline size (H*W*D) mm 2300*900*1000 2300*800*1000.
Jan-09-12
 
1. Introduction
KYN28-12 indoor metalclad withdrawable switchgear is designed to be complete distribution equipment with three-phase A.C. singe busbar and single busbar section system having a rated voltage of 3.6~12kV and rated frequency of 50Hz.The switchgear is mainly employed in receiving and distribution of power energy from the network as well as starting of large-sized HV motors. In addition, the switchgear is provided with controlling, protection and monitoring functions. The switchgear conforms to IEC 298, GB 3906, DL/T404-91 and other standards. The switchgear itself owns five prevention functions such as prevention of misoperation of circuit breakers, prevention of pushing or pulling truck with load, prevention of closing earth switch under voltage, prevention of supplying power when earth switch is at the earth position and prevention of entering the electrical separation zone by accident. The switchgear selects not only VS1 vacuum circuit breakers but also ABB made VD4 vacuum circuit breaders, thus recogninzed as power distribution equipment with excellent performance.

2. Working condition
2.1 altitude: 1000m
2.2 temperature: -10celsius degree ~+40celsius degree
2.3 relative humidity: daily average value 95%, monthly average value 90%
2.4 saturated vapor pressure: daily average value 2.2 10-3MPa, monthly average value 1.8 10-3MPa
2.5 earthquake intensity: less than 8 degree
2.6 protect the product from fire, explosion, earthquake and corrosion atmosphere.

3. Main features:
3.1. the enclosure is completely adopts the aluminum-zinc alloy coated steel sheet, which are machined and bent by machine tool and then bolted;
3.2. all the operations are under the door closing condition
3.3. with high protection category, can prevent intruding of sundries and insects
3.4. simple efficient 5 protection function can prevent operating incorrectly
3.5. the removing compartment of the switchgear may be assembled with VS1(ZN63A) or VD4 vacuum circuit breaker according to customer s demand
3.6. the replacing of VCB is simple and the interchangeability of truck is good.
3.7. the cabinet body can be installed against the wall, so the maintenance can be made in front of the cabinet and the cover area can be reduced too.
3.8. cable compartment has enough room, can connect muti-cable
3.9. high speed earthing switch is used for grounding and loop short circuit
3.10. VCB vault, relay vault and cable vault can add extra heater separately according the demand of customer, in order to avoiding condensation pheromone and corrosion.
3.11. VCB vault and cable compartment can add extra lighting device separately, in order to convenient maintenance.

4. Main technical parameters
4.1 main technical of vacuum switchgear

item unit parameter
Rated voltage kV 3.6 7.2 12
Rated current A 630 1250 1600 2000 2500 3150
Rated frequency Hz 50
Rated short-time withstand current kA 16 20 25 31.5 40
Rated peak withstand current kA 40 50 63 80 100
Rated power-frequency withstand voltage kV 42/1min
Rated lightning impulse withstand voltage kV 75
Rated duration of short circuit S 4
Degree of protection IP4X


4.2main technical parameters of vacuum circuit breaker
Item Unit Parameter
Rated voltage kV 12
Rated current A 630 1250 1600 2000 2500 3150
Rated short circuit breaking current kA 25 31.5 40
Rated short-time withstand current kA 25 31.5 40
Rated short circuit making current kA 63 80 100
Rated short-time power-frequency withstand voltage kV 42/1min
Rated lightning impulse withstand voltage (peak) kV 75
Rated short circuit duration S 4
Closing time (rated voltage) ms 35 t 70
Opening time (rated voltage) ms 20 t 50
Rated breaking times of short circuit times 50 (40kAis 30)
Mechanical life times 20000

4.3main technical parameters of operation mechanism
Item Unit parameter
Rated operation voltage Opening coil V DC220/110
AC220/110
Closing coil
Rated operation current Opening coil A (DC/AC)220/110V: 0.9/1.8
Closing coil (DC/AC)220/110V: 1.0/2.0
Power of energy storage motor W 70
Rated voltage of energy storage motor V DC220/110 AC220/110
Energy storage time S 15

5. Structure instruction
The basic structure of switchgear panel comprises the panel itself and a removing part (truck). The enclosure and clap-board of the switchgear is bolted with Al-Zn alloy coated steel.Enclosure protection degree of switchgear is IP4X, and the protection degree of every vault is IP2X.


800/1000*1500*2300mm.

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