Transformer chamber type NGW K-17E

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Application

Efficient, safe, economical, beneficial that is the low voltage NGW distribution system. Our NGW R switchgear users from various branches of industry, power sector, commerce, public building and environmental protection are offered the LV busbar trunking systems NGW M-1 and transformer chambers NGW K.

General characteristics

NGW M-1 busbar trunking systems are used for primary or stand-by power supply or for connection between sections. Its self-supporting construction has the following features:

  • enclosure made from shaped perforated aluminium sheets,
  • busducts are fit for any alternating or direct current network system,
  • symmetrically laid double-bar conductors,
  • holeless joints of sections of phase conductors,
  • straight lengths, elbows and connection elements are manufactured serially in numerically controlled machining centres,
  • convenient location of inspection windows,
  • enclosure coated with high quality powder paint, standard colour being RAL 7032, any other colour on request,
  • computer aided design programmes: Pro/ENGINEER®, LOGOCAD, IGE-XAO schema,
  • each assembly type tested (TTA).

Transformer chamber NGW K-17E to house a dry type A.C. transformer of high voltage not exceeding 17,5 kV and power up to 3150 kVA, with the following features:

  • powder painted enclosures made from steel sheet,
  • front covers easy to dismantle for the convenient drive-in of the transformer and for inspections,
  • lifting of covers with the suction-type lift,
  • no connecting elements outside the chamber,
  • a section of low voltage busbar inside the chamber.

Features

  • configuration of switchgear busduct transformer chamber according to the needs,
  • Polish product conforming to international standards in quality,
  • one manufacturer fulfils all energy distribution requirements,
  • easy operation,
  • safety for personnel and protection for equipment,
  • small overall dimensions and aesthetic design,
  • easy replacement of functional units or adding new ones,
  • reliability and long life expectancy,
  • minimum maintenance and inspection requirements,
  • short response times for delivery,
  • engineering of NGW M-1 busbars and NGW K chambers by ELEKTROBUDOWA's designers on request,
  • environment - friendly production and operation,
  • manufacturer's professional service.

Application of the NGW M-1 enclosed busbur trunking system in the transformer switchgear room

  1. straight horizontal section
  2. straight vertical section
  3. connection box
  4. vertical elbow
  5. horizontal elbow
  6. clamp
  7. wall passage enclosure
  8. level raiser
  9. support sling
  10. support gantry
  11. wall bracket
  12. supporting structure

15/0,4 kV assembly for industrial use

Technical data

Type of busbar trunking NGW M-1
Characteristic value   /1,25 /1,6 /2,0 /2,5 /3,15 /4,0 /5,5 /6,3
Rated isolation voltage V up to 1000
Rated impulse withstand voltage kV 14,5
Rated continous current:
normal
short-time withstand current
peak withstand current
A
kA/1s
kA
1250
45
110
1600
45
110
2000
60
150
2500
75
170
3150
90
205
4000
90
205
5500
105
231
6300
105
231
The Cu phase conductor mm 2xP30x10 2xP40x10 2xP50x10 2xP80x10 2xP100x10 2x[2xP80x10] 2x[2xP100x10] 3x[2xP80x10]
Cross-sectional area of the busbar mm  400x250 400x250 400x250 600x300 600x300 1000x300 1000x300 1000x300
Mean value
impedance
reaktance
resistance
mΩ/m
mΩ/m
mΩ/m
0,110
0,100
0,017
0,110
0,100
0,017
0,110
0,100
0,017
0,091
0,090
0,009
0,091
0,090
0,009
0,091
0,090
0,009
0,052
0,051
0,004
0,045
0,044
0,0035
Degree of protection   up to IP 43
Compliance with standards   PN-EN 61439-1; PN-EN 61439-6
transformerrchamber NGW K-17E
Rated i voltage kV
V
higher up to 17,5
lower up to 600
Power of transformer up to kVA 250 1000 3150
Chamber dimensions
width
height
depth
mm
mm
mm
1800
2150
1400
2200
2450
1600
2800
2600
1600
Degree of protection   IP 4X
Compliance with standards   PN-EN 61439-1; PN-EN 61439-6, PN-EN62271-200, PN-EN 60529

Product card in pdf formatBusduct in air insulation type NGW M-1 plik .pdf

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