Power Distribution

  • YB22 Series Pre-fabricated Compact Substation (European Type)
  • YB22 Series Pre-fabricated Compact Substation (European Type)
  • YB22 Series Pre-fabricated Compact Substation (European Type)
  • YB22 Series Pre-fabricated Compact Substation (European Type)

YB22 Series Pre-fabricated Compact Substation (European Type)

YB series of products are designed for city power network construction. 

YB series of products are designed for city power network construction. This kind of product is a set of power distribution device, which is assembled with medium voltage switchgear, transformer, low voltage switchgear based on indicated connection. They are used for 3-phase AC system, 50Hz frequency, and capacity less than 2500kVA in the residential districts, malls, hotels, construction site, industrial & mining enterprise and temporary workplace. Generally, they are suitable for ring network power supply and redial terminal power supply.

Model designation

Model designation


Normal sercice condition

1. Ambient temperature:-25°C -+40 C
2. The altitude should not be over 1000m and if use special transformer and LV components the altitude can up to 3800m.

3. Installation condition should not be severe shake and impact and the vertical lean angle should not be over 5°C;

4. The air humidity should not be over 90%(+25°C )

5. The speed of outdoor wind should not be over 35m/s


Designation characteristics

1. The shell is designed in terms of advanced technology and actual situation. It has advantages of fastness, heat reduction by ventilation, good performance, dust prevention, small animal prevention, moisture prevention, good appearance and convenient maintenance. There are several kinds of material for choosing, for example, aluminum alloy plate, steel plate, composite plate, stainless steel plate, non- metallic material.

2 The HV side usually uses load switch or vacuum circuit breaker, with a completed set of anti-misperation functions. If the ring main unit switchgear (short as RMU) is selected as XGN20-12L SF6 RMU, HXGN15A, HXGN17, KYN28A, the transformer can be oil-immersed, full-sealed or dry type transformer.
3 The substation has perfect protection performance, easy operation, and optional HV&LV measurement. The automatic reactive power compensation device is able to be installed required by customer.
4 The cover of the substation is made of double layers. The gap between the two layers filled with foamed plastics to prevent heat. There are independent separators inside the HV&LV room. In the transformer room, there are condensation prevention device, automatic temperature monitor and heating & cooling devices.
Tank is designed as natural ventilation, also the forced ventilation equipment can be installed. The door and side plate opposite the shutter should be fitted with anti-dust device.


Main technical parameters

NameUnitHV equipmentTransformerLV equipment
Rated VoltageKv12243510/0.424/0.435/0.40.4
Rated CurrentA4,006,301,250 4,006,301,250 4,006,301,250 3/75-150/37501.44/75~72/375050~     4000
Rated FrequencyHz50505050505050
Power Frequency
Withstand
Voltage(Imin)
kVEarthing,Phase
to phase 42,
Port48
Earthing,Phase
to phase 60,
Port79
Earthing,Phase
to phase 95,
Port118
35/2855/2875/282.5
Lighting Impulse
Withstand Voltage
Kv7512518575125185
Crust Protection GradeIP23IP23IP33Oil type≤55,Dry type≤65
Nosiy GradedB≤50≤50≤50
Appearance DimentionsmmAccording to primary connection scheme
Main technical parameters

YB 22 series pre-fabricated substation disposition scheme


HV typical single wire diagram

HV typical single wire diagram


LV wire connection

LV wire connection

Aluminum-plastic Panel, Color Steel Plate Shell

Pre-fabricated Substation

General introduction

This series of products are more and more widely used since they have advantages of good appearance, good heat insulation performance. This pre-fabricated substation uses u-steel as the base, angle steel as the substation framework (the substation employs double-layeredcolor steel plate). The appearance materials are imported composite plate and aluminum-plastic plate, with has a strong ability of corrosion resistance, no rust, and fastness, with a simple structure, good rigidity, light weight and good heat insulation performance. This substation is widely used in residential area, malls, streetlight project, scenic place and wind power generation. The color of shell is optional by customer

Aluminum-plastic Panel, Color Steel Plate Shell

Metal Shell Pre-fabricated Substation

General introduction

This China prefabricated substation made of base, side plate, separate board, door and top roof. Inside the substation, there are HV room, transformer room and LV room. The protection level of the substation is IP33. The close board, separate board, door and top roof above the base, all of them are processed by cold-roll steel sheets, connected together by welding or fasteners. Each face of components is covered by durable protective layer after spraying.

Metal Shell Pre-fabricated Substation

Non-metal Shell Pre-fabricated Substation

General introduction

This series of products are suitable for single-transformer or double-transformer pre-fabricated substation. There are two types of

substatios, such as above the ground and under the ground.

The shell are made of glass fiber cement, it has,

1 Strong mechanical shock resistance and change resistance.

2 Strong sun resistance, crack resistance, radiation resistance and heat insulation

characteristic.

3 Good ability of antifreeze, anti-cracking, anti-corrosion, moisture proof and anti-flaming.

4 Can be used for the whole year.

(The color of the shell is optional by customer)

Non-metal Shell Pre-fabricated Substation

Underground Pre-fabricated Substation

General introduction

For the underground type substation, the HV equipment, LV equipment and transformer are placed underground. During the maintenance, the top roof can be removed, then the staff can access to the inner substation through the entrance. Generally, they are used for square grass area, park, which will not destroy the beautiful environment. Customers can choose half-underground or wholeunderground substation according to different places.

Underground Pre-fabricated Substation
Underground Pre-fabricated Substation

Diagram of half-burried substation

Diagram of half-burried substation

Diagram of whole-burried substation

Diagram of whole-burried substation

Stainless Shell Pre-fabricated Substation

General introduction

For the stainless shell type substation, the shells are made of high quality stainless sheets. The substation has a good designation and exquisite workmanship. With special honey comb structure, solid shell, heat insulation, heat dissipation, good appearance and high protective grade, the substation shows advantage of the stainless material.

Stainless Shell Pre-fabricated Substation

Minimized Intelligent Pre-fabricated Substation

General introduction

Since the series of the substation fitting with the imported FLUSARC SF6 ring main unit as the HV income, the network power supply can be achieved easily. Also, the fault site can be indicated easier, power cutting area is minimized, which make it convenient for maintenance. Micro electronics technology makes it possible to monitor intensively, test periodically, operate remotely and communicate easily. This substation adopts automatic system. These functions are called five remotes, including remote test, remote communication, remote control, remote adjust and remote monitor. It gathers protection, test, monitor, condensation prevention, and communication, to achieve working without human in attendance.

The volume of the substation is quite small (Length2500 x Width 1600 x Height1700), with nice appearance, which is suitable for public place.

Minimized Intelligent Pre-fabricated Substation

Economy Pre-fabricated Substation

General introduction

This type substation uses steel or aluminum alloys composite sheets. The inner and outer surfaces of the substation are sprayed to form a durable protective layer. The HV side adopts frame structure with

reliable”five-defence”functions. It makes convenient to install electric devices.

LV wire connection
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