PV Booster Station

Overview

The PV Booster Station is an outdoor integrated step-up solution designed specifically for large-scale ground-mounted PV power plants and commercial & industrial (C&I) distributed PV projects. It integrates core equipment including medium-voltage switchgear, step-up transformers, low-voltage distribution panels, automation control systems, reactive power compensation devices, and environmental monitoring systems into one or more standardized container-type cabins.

Adopting a factory-preassembled, modular design, the product offers significant advantages including high reliability, intelligent operation and maintenance, flexible deployment, and plug-and-play functionality. It substantially shortens project construction cycles, reduces on-site installation complexity and costs, and ensures the safe, stable, and efficient integration of PV systems into the medium-voltage grid.

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Product Specifications Details

Technical Specifications

Rated Voltage	Up to 35 kV
Rated Current	Up to 1250 A
Rated Frequency	50Hz / 60Hz

Normal Operating Environment

Altitude: ≤ 2000 m (derating required above 2000 m)

Ambient Temperature: -40°C ~ +55°C (operating); -45°C ~ +70°C (storage)

Relative Humidity: 5% ~ 95% (non-condensing)

Protection Class: Cabin IP54 / Internal Equipment IP4X

Installation Environment: No severe vibration, no explosion hazard, and no presence of gases or dusts that could corrode metals or damage insulation.

Functions & Features

High Integration: Integrates transformation, distribution, protection, metering, monitoring, and reactive power compensation within a standard cabin, enabling factory preassembly and rapid on-site installation, significantly shortening project timelines.

Safety & Reliability: Equipped with a comprehensive relay protection system featuring over-current, instantaneous trip, over-voltage, under-voltage, gas, temperature, and other multi-level protection functions, ensuring safe and stable operation of the booster station and the grid.

Intelligent Operation: Built-in advanced automation and monitoring system supports remote data acquisition, status monitoring, and fault diagnosis, enabling unmanned or minimally staffed operation and reducing O&M costs.

Flexible Configuration: Transformer capacity, HV/LV side schemes, protection configuration, and communication interfaces can be flexibly configured to meet grid-connection requirements for projects of different scales and voltage levels.

Technical Parameters

Parameter	Unit	HV Switchgear	Step-up Transformer	LV Distribution Panel
Rated Voltage	kV	12 / 24 / 35	0.8 / 10.5 / 35	0.4 / 0.8
Rated Current	A	630 / 1250	Customized per capacity	2500 / 4000 / 6300
Short-circuit Breaking Current	kA	25 / 31.5	—	50 / 65 / 85
Protection Class	—	IP4X	IP20	IP54
Cooling Method	—	—	ONAN / ONAF	—
Communication Interface	—	RS485 / Ethernet	PT100	RS485 / Ethernet / 4G

Information Required for Inquiry or Order Placement

Please provide the following accurate information when requesting a quotation or placing an order, so that we may perform technical calculations and schedule production:

Category	Details
Project Overview	Project name, installation location, operating environment (e.g., altitude, max/min temperature, relative humidity, presence of corrosive gases or severe vibration, etc.).
Product Model & Specifications	Specify the model of the PV booster station, HV side rated voltage (kV), LV side rated voltage (V), and transformer rated capacity (kVA).
HV Side Configuration	1. HV switchgear scheme (e.g., incoming cabinet, outgoing cabinet, PT cabinet, metering cabinet, etc.). 2. Rated current (A) and short-circuit breaking capacity (kA). 3. Relay protection configuration requirements.
Step-up Transformer Configuration	1. Transformer type (e.g., oil-immersed, dry-type). 2. Rated capacity (kVA). 3. Primary and secondary voltage levels (kV). 4. Winding material: copper or aluminum. 5. Rated frequency (50Hz or 60Hz). 6. Connection group (e.g., Dyn11, YNd11). 7. Impedance voltage (%) and cooling method.
LV Side Configuration	1. LV incoming circuit breaker rated current (A) and breaking capacity (kA). 2. Whether SVG/SVC reactive power compensation is required, and capacity requirements. 3. Number and specifications of LV outgoing circuits.
Automation & Monitoring System	1. Specify electrical parameters and non-electrical signals to be monitored (e.g., temperature, humidity, access control, smoke, etc.). 2. Communication interface (e.g., RS485, Ethernet) and protocol requirements (e.g., Modbus RTU/TCP, IEC 61850, etc.).
Appearance & Dimensions	Specify cabin size limitations (if special transport or site constraints apply), enclosure material (e.g., color steel composite panel, stainless steel), color (provide color card number or RAL code), and anti-corrosion grade.

Key Technical Parameters & Configuration Requirements

Category	Details
Reactive Power Compensation (SVG/SVC)	Specify whether SVG/SVC is required, including compensation capacity, response time, and other technical requirements.
Grounding Method	Specify grounding method requirements for HV and LV systems (e.g., neutral point ungrounded, grounded via arc suppression coil, grounded via small resistance, etc.).
Auxiliary Systems	Specify requirements for cabin lighting, maintenance sockets, industrial A/C or ventilation systems, fire protection systems (e.g., automatic fire suppression devices), etc.
Special Function Requirements	If video surveillance, access control systems, anti-condensation devices, etc. are required, please provide a written description in advance.

Ordering Process & Precautions

Step	Description
Technical Agreement	For non-standard products or complex projects, both parties must sign a detailed Technical Agreement prior to production scheduling, which shall serve as an annex to the contract with equal legal force.
Drawing Confirmation	We will provide general assembly drawings, foundation drawings, and single-line diagrams. Please sign and confirm promptly. Any schedule delay resulting from late confirmation shall be borne by the client.
Change Management	After order confirmation and drawing sign-off, any technical or commercial changes must be submitted in writing and re-confirmed by both parties before implementation. Cost increases or schedule delays caused by changes shall be borne by the requesting party.
Site Coordination	Ensure on-site foundation construction strictly follows our provided foundation drawings, with adequate space reserved for hoisting and transportation access. If on-site installation guidance or commissioning services are required, please schedule in advance.

If you are looking for reliable power support for your project, please contact the Kima Electric team. We are ready to provide you with the best solutions.

Convenient Inquiry Process

You may contact us through various channels, including our website and email. You can also download and fill out the "Inquiry Application Form" from our official website, or directly provide your existing technical documents and drawings as the basis for requirements assessment. We will provide you with a quotation as soon as possible.

Production & Quality Control

Aspect	Details
Technical Review	Prior to formal production, we will provide detailed technical proposals including specification parameters and structural drawings for your review and confirmation.
Quality Management	We strictly implement the ISO quality management system, with comprehensive monitoring of raw materials, production processes, and finished product inspection to ensure stable and reliable quality for every customized product.

Delivery & After-Sales Service

Aspect	Details
Packaging & Shipping	Specialized packaging and transportation solutions compliant with international standards, ensuring absolute safety during long-distance transport.
Documentation	Each shipment includes detailed user manuals, maintenance manuals, and related technical documentation.
Installation & Commissioning	Remote or on-site installation guidance and commissioning services are available upon request.
After-sales Support	Comprehensive technical consultation, troubleshooting, and spare parts supply to ensure long-term stable operation of the equipment.

Product Certification

Who Are We

Kima Electric--Pioneers in intelligent power manufacturing.

Kima Electric is a global brand under Anhui Jinma Electric Technology Co., Ltd.. and is a professional manufacturer of transformers &power transmission and distribution equipment in China. Established in 2001 and located in Wuwei, Wuhu City, Anhui Province, China ,the company occupies a facility spanning 93 mu (approximately 62,000 square meters) with a building area of 51,000 square meters and a professional team of over 180 personnel. With over 20 years of industry expertise, we have developed a comprehensive production system, rigorous quality control, and a culture of continuous innovation. We are committed to providing global customers with exceptional quality assurance and professional services.

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Certificate Of Honour

Anhui Kima Electric Technology Co., Ltd.

+86 400 0553 633
+86 199 4451 2191
info@kimaelectric.com
No. 168 Tongjiang Avenue, Wuwei Economic Development Zone, Wuwei City, Anhui Province, China
Note: Kima is a brand of Anhui Jinma Electric Technology Co., Ltd., China.