• 12kV 24kV 36kV 40.5kV Prefabricated Substation(US-style, EU-style)
12kV 24kV 36kV 40.5kV Prefabricated Substation(US-style, EU-style)
discuss personally
Model
YB-40.5
YB-36
YB-24
YB-12
Basic info
Brand ROCKWILL
Model NO. 12kV 24kV 36kV 40.5kV Prefabricated Substation(US-style, EU-style)
Rated voltage 40.5kV
Rated normal current < 1250A
Rated frequency 50/60Hz
Rated capacity 1250 - 20000kVA
Series YB
Product Detail

Description :

YB series products is a kind of set of  equipment which assembles the MV switch  apparatus, transformer, LV distribution  equipment together according to fixed  connection scheme. This series substation is  suitable for neighborhood unit, hotel, large-scale  work site and high building that the voltage is  12kV /24kV/36kV/40.5kV, the frequency is  50Hz and the capacity is under 2500kvA.

Main Designation Characteristics :

  • The crust of the substation is designed according to the foreign advanced technology and  physical reality. We provide many kinds of crust material such as aluminum alloy steel  composite stainless steel board and non metal material(glass fiber).

  • The HV side use charge switch or vacuum circuit breaker. The transformer could be oil  type hermetically-sealed type and dry type.

  • The proof of the box is double layers structure and between the layers is filled with foam.  There are independent boards in HV and LV room, and in the transformer room will install  auto thermal controller heater and cooling equipment.

Note: we offer special customized products according to client’s requirement.

Service environment:

  • Air temperature: Maximum temperature: +40℃; Minimum temperature:-25℃;

  • Humidity: Monthly average humidity 95%; Daily average humidity 90%;

  • Altitude above sea level: Maximum installation altitude: 2500m;

  • Ambient air not apparently polluted by corrosive and flammable gas, vapor etc;

  • No frequent violent shake.

Main technical specifications:

12/24/36kV

12kV 24kV 36kV 40.5kV Prefabricated Substation(US-style, EU-style).png

40.5kV

12kV 24kV 36kV 40.5kV Prefabricated Substation(US-style, EU-style).png

Main Primacy Wiring Circuit Schemas for Substation(40.5kV):

Wiring type A-40.5kV:

12kV 24kV 36kV 40.5kV Prefabricated Substation(US-style, EU-style).png

Wiring type B-40.5kV:

12kV 24kV 36kV 40.5kV Prefabricated Substation(US-style, EU-style).png

Note: we offer special customized products according to client’s requirement.

Wiring type C -40.5kV:

12kV 24kV 36kV 40.5kV Prefabricated Substation(US-style, EU-style).png

Wiring type D -40.5kV:

12kV 24kV 36kV 40.5kV Prefabricated Substation(US-style, EU-style).png

Note: we offer special customized products according to client's requirement.

What is a prefabricated substation?

A:A prefabricated substation is an electrical substation with pre - assembled components in factory, featuring modular design, easy combination via standardized interfaces, and wide - ranging scenario adaptability.

What is a package substation?

A: A package substation is a prefabricated, all - in - one unit integrating high - voltage equipment, transformers and low - voltage devices, used to transform and distribute electricity efficiently.


Know your supplier
ROCKWILL
Rockwill Electric Group Global Manufacturer of High voltage and medium-voltage power equipment and smart grid solutions. Headquartered in Wenzhou, China. Serving 100+ countries with quality, innovation, and trust. What We Offer: • HV-MV switchgear (VCB, SF₆ circuit breakers, RMU, GIS) • Distribution transformers and substations • Smart grid and monitoring systems • Solar, wind, EV charging, and energy storage solutions • EPC turnkey power projects Certified: ISO 9001 / ISO 14001 / ISO 45001
Main Categories
High voltage
Business Type
Design/Manufacture/Sales
Highest Annual Export (USD)
$150,000,000
Professional Experience
16 years
Workplace
108000m²m²
占位
占位
Documents
Restricted.
Prefabricated Substation(US-style, EU-style) 12kV... 24kV... 36kV... 40.5kV...
Manual English
Consulting
Related Products
Related Knowledges
What is reactive power measurement?
What is reactive power measurement?
The power which exists in the circuit when the voltage and current are out of phase to each other, such type of power is known as the reactive power. The formula measures the reactive power in the circuitReactive Power Measurement & VarmetersReactive power measurement is critical as it indicates circuit power loss: low reactive power worsens load power factor, increasing system losses. Varmeters (volt-ampere reactive meters) measure reactive power and are categorized by circuit phases:Single
Edwiin
07/17/2025
How to Design and Install a Solar PV System?
How to Design and Install a Solar PV System?
Design and Installation of Solar PV SystemsModern society relies on energy for daily needs like industry, heating, transport, and agriculture, mostly met by non-renewable sources (coal, oil, gas). However, these cause environmental harm, are unevenly distributed, and face price volatility due to limited reserves—driving demand for renewable energy.Solar energy, abundant and capable of meeting global needs, stands out. Standalone PV systems (Fig 1) offer energy independence from utilities.
Edwiin
07/17/2025
What are the common faults that occur when low-voltage current transformers are combined with other power equipment?
What are the common faults that occur when low-voltage current transformers are combined with other power equipment?
Low-voltage current transformers, as indispensable measurement and protection devices in power systems, often encounter various faults when used in combination with other power equipment due to environmental factors, equipment linkage issues, and improper installation and maintenance. These faults not only affect the normal operation of power equipment but may also endanger personal safety. Therefore, it is necessary to gain an in-depth understanding of fault types, judgment methods, and prevent
Felix Spark
07/17/2025
What are the monitoring methods and future development trends of low-voltage voltage transformers?
What are the monitoring methods and future development trends of low-voltage voltage transformers?
With the continuous advancement of smart grid technology, intelligent monitoring systems are playing an increasingly important role in preventing and addressing faults in voltage transformers. These modern intelligent monitoring systems can collect key parameters from voltage transformers in real time—such as partial discharge levels, temperature, and oil quality—and use data analysis algorithms to assess the health status of the equipment, enabling early fault warnings and precise l
Echo
07/16/2025
What are the common faults of low-voltage voltage transformers?
What are the common faults of low-voltage voltage transformers?
1. Open - Circuit Fault on the Secondary SideOpen - circuit in the secondary side is a typical fault of low - voltage voltage transformers, showing abnormal voltmeter readings (zero/fluctuation), faulty power meters, buzzing noises, and core overheating. When open - circuited, the secondary voltage spikes (no secondary current to balance the primary EMF), causing core saturation, flux distortion, and potential overheating/damage.Causes include loose terminals, poor contact, or human error. In lo
Oliver Watts
07/16/2025
A Quick Verification Method for Low-Voltage Current Transformers
A Quick Verification Method for Low-Voltage Current Transformers
1. Selection of Low - Voltage Current Transformer ConfigurationThere are many factors leading to wrong selection of low - voltage current transformers in civil construction projects. For example, common factors include design problems: the calculated coefficient designed for the load of electrical equipment is relatively large, or the transformation ratio of the current transformer is selected incorrectly. Such a series of reasons will affect the use of electrical equipment. Therefore, in the co
James
07/16/2025
×
Inquiry
Download
IEE-Business is dedicated to serving the personnel in the global power industry.
Join IEE-Business, not only can you discover power equipment and power knowledge, but also canhnd like - minded friends!