Product Details
General Description
The photovoltaic grid-connected cabinet is an important part of undertaking the centralized inverter and booster transformer or AC combiner box and booster transformer, the incoming line of the photovoltaic well grid cabinet adopts circuit breaker input or direct input, the output adopts circuit breaker or load isolation switch, the busbar is connected by electroplating or purified busbar, and provides secondary lightning protection, the system rated voltage is up to AC690V, and the protection level is IP40 indoor and IP65 outdoors; The cables for secondary measurement and control are those with a current greater than 2.5 m㎡, a voltage of 1.5 m㎡, and a control of more than 1.0 m㎡, the measurement current transformer is a 0.5 grade current transformer, and the metering current transformer is a 0.2S grade current transformer. It is also possible to add related functions according to customer requirements. This product adopts professional electrical design and component selection, so that the internal structure of the cabinet body is safe, concise, beautiful, convenient for on-site wiring and maintenance, and ensures the stable operation of the equipment for a long time.
Functions and features
1. It can be either fixed installation design or plug-in design;
2. The circuit breaker and components of the company or well-known brands at home and abroad are combined into functional units, which have excellent technical performance, safety and reliability;
3. It can be composed of various standard unit modules for customers to choose and assemble at will;
4. The isolation between regions and the mutual isolation between the incoming and outgoing lines of the functional unit are adopted to effectively strengthen the safety protection performance;
5. Combined prefabricated structure, all structural parts of the frame are firmly connected with screws, the frame, doors and panels are electrostatic sprayed after phosphating treatment, and all non-sprayed parts are galvanized and passivated. It can meet the requirements of various components and meet different working environments to achieve the corresponding protection level;
6. The skeleton is made of high-quality steel plate, and the skeleton can be equipped with a hole with a modulus of 25mm, which can be expanded for various purposes, there are two ways of incoming lines: upper and lower.
7. With high breaking capacity, good dynamic and thermal stability, flexible and convenient combination of electrical schemes, strong practicability, and the main parameters have reached the international advanced level;
8. Light in weight, high in mechanical strength and assembly accuracy, and beautiful in appearance.
Technical parameters
| Product model | BWG |
| Maximum input voltage | 690VAC |
| Rated frequency | 50Hz |
| Maximum rated current | 3150A |
| Measurement | data Three-phase current,three-phase voltage,active power,apparent power,power factor,frequency,electrical degree |
| Communication mode/protocol | Rs485 bus/standard MODBUS-RTU protocol |
| Temperature and humidity | Operating temperature:-40~+85℃,humidity 95%,no condensation,no corrosive gas place |
| Altitude | ≤4000m |
| Box material | Hot-dip galvanized steel sheet/stainless steel cold-rolled steel sheet |
| Protection grade:Ip40 | IP40 |
| Volume (WxHxD) | 2260mmx800mmx600mm |
| Mounting method | Floor type |
Outline dimension figure
Keywords:
Photovoltaic grid-connected cabinet
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