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11kV three phase Pad mounted transformer

Basic Info

Model No.:  ZBW(YB)-17-10

Product Description

Model NO.: ZBW(YB)-17-10 Shell Material: Aluminum Alloy Installation: Fixed Current: AC Specification: 11kV HS Code: 8537109090 Certification: CCC, ISO9001 Voltage Level: Medium Voltage Structure: Floorstanding Trademark: TIANAN Origin: China ZBW17 (YB)-10 Series Prefabricated Substation

Total-sealed, total-insulated, safe and reliable.
Small volume and compact structure.
The cable head can be operated with the load of 200A.
Has strong over-load ability.
The body of Substation adopts special craftwork treatment and has well anticorrosion ability.
Use high burning point oil to avoid the fire.
Has beautiful appearance and assort with environment

ZBW17(YB)-10 Series Prefabricated (American Type) Substation is the series product in our company and it be developed by ourselves through absorb foreign technique. The Transformer, Load Switch and H.V fuse are installed in transformer's cabinet and take the insulating liquor of transformer as the insulating medium and heat-eliminating medium for whole product,it features of small volume,light weight,installation and maintenance are convenient,high safe reliability,beautiful appearance,etc.

Main purpose
ZBW17(YB)-10 Series Prefabricated Substation is used in 10/0.4kV, 50Hz power distribution system with a transformer rated capacity of 50~1600kVA. It is widely used in outdoor power supply fields such as city, residential zone, factory and mining, hotel, hospital, park, oil field, airport, wharf, railway and other temporary facilities, etc.
  This product can be used not only in a close-ring-net for power distribution, but also in transformation power net for terminal power supply.

Service ambient conditions
a. Altitude above sea level:    ≤1000m
b.Ambient temperature range:  Max. +40ºC;
Min.  -35ºC
c.Relative humidity: Daily average don't exceed 95% and monthly average value don't exceed 90%
d.Wind speed (outdoor): Not more than 35m/s
e.Installation spot: There should be no fire, explosion, badly polluted, chemical erode and strong vibration. If the condition is out of above normal service environment, the customer can consult with us to resolve it.
Type designation

Product structure

The product is made up of transformer room, H.V room and L.V room.
Performance of the transformer meets the type of SM9 or S11M.
The H.V side adopts type V or T load switch and two poles fuse to protect and use current-limiting fuse to protect circuit, the breaking capacity is big. Plug-in type fuse is used to protect the secondary side overload and short circuit of transformer.
Both load switch and fuse are installed in transformer room and make use of transformer insulation liquid as insulation medium and heat-eliminating medium.
The ingoing on H.V side adopts H.V cable plug and total insulated in the H.V room.
The outgoing on L.V side for that normal product adopts directly outgoing. It can be added L.V measuring and shunt outgoing if customer requires.
The structure of box-body is total-sealed and adopts steel plate welding, beading three side heat-eliminating. It features of strong antiseptic ability and beautiful appearance after treated by special technology.
The H.V room is isolated from L.V room and has the following components: Load switch, tap changer of transformer, H.V ingoing pin and plug-in type fuse.
The box-body equips has: oil level thermometer, oil level gauge, pressure release valve, oil drain valve and oil sample valve. L.V outgoing terminals and L.V measuring system which is required to equip by users.

Technical parameters 
                     Table 1  Parameters of load switch
NO. Name Unit Parameters
1 Rated voltage kV 12
2 Rated current A 630
3 Rated frequency Hz 50
4 Rated breaking current A 630
5 Rated short-time withstand current kA 16/2
6 Rated peak withstand current kA 40
7 Full load breaking times time 20
8 Mechanical endurance time 2000
9 1 min power frequency withstand voltage (phase to phase and phase to earth) kV 42
10 Lightning impulse level (phase to phase and phase to earth) kV 75

                   Table 2  Parameters of H.V cable plug
NO. Name Unit Parameters
1 Rated voltage kV 12
2 Rated current A 200,300,630
3 1 min power frequency withstand voltage kV 42
4 Insulation resistance 2000
5 Contact contacting resistance µΩ ≤100

                     Table 3  Parameters of fuse
In support style current limiting fuse and plug-in type fuse are all oil immersed type.
Rated capacity
Rated voltage (6kV) Rated voltage (10kV)
Current limiting fuse (A) Model of plug-in type fuse Current limiting fuse (A) Model of plug-in type fuse
50 40 C06 40 C04
100 50 C08 40 C06
160 80 C10 50 C08
200 80 C10 80 C10
250 125 C10 80 C10
315 150 C12 80 C10
400 150 C12 100 C11
500 175 C14 125 C12
630 175 C14 150 C12
800 200 C16 150 C14
1000 200 C16 200 C16
1250 200 200 C16

               Table 4  Technical parameters of transformer
Rated capacity(kVA) No-load loss (W) Load loss (W) Impedance voltage %
S9 S11 S9 S11
50 170 120 870 870

100 290 200 1500 1500
160 400 280 2200 2200
200 480 335 2600 2600
250 560 390 3050 3050
315 670 465 3650 3650
400 800 560 4300 4300
500 960 670 5100 5150
630 1200 840 6200 6200
800 1400 980 7500 7500
1000 1700 1190 10300 10300
1250 1950 1365 12000 12000

Voltage combination
Rated voltage on H.V side: 11,10.5,10,6.3,6kV
Rated voltage on L.V side: 0.4kV

Transformer connecting mode and H.V tapping range
The connecting mode of transformer is Y,Yn0 or Dyn11. The tapping range is
±5%, ±2×2.5% or decided by users.

Contact us if you need more details on Substation. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Transformer、Switchgear. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Package Substation

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