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CSPVB/2-1 DC combiner box frequency conversion control
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CSPVB/2-1 DC combiner box frequency conversion control

Short Description:

Within the operational framework of photovoltaic power plants, the PV combiner box plays a multifaceted role, contributing significantly to enhanced efficiency and reliability. Its capabilities encompass frequency conversion control, intelligent monitoring, and fault diagnosis, all of which work synergistically to optimize the performance and longevity of the photovoltaic system. Here are the key applications of a PV combiner box

  • System maximum DC voltage 550 1000
  • Maximum input current for each string 35A
  • Maximum output switch current 2QA/32A
  • Width x High x Depth (m m) 400x400x80
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product details

Overview details

The PV combiner box is a pivotal component in solar photovoltaic power systems, designed to aggregate the direct current (DC) energy harvested from multiple photovoltaic modules. Its primary function is to consolidate this DC energy before it is conveyed to the inverter for conversion into alternating current (AC), which can then be integrated into the electrical grid or used for on-site consumption. Typically, a PV combiner box includes essential components such as DC switches, busbars for current distribution, protective fuses, metering devices for monitoring energy production, communication modules for data transmission, and a robust enclosure to house and protect these elements from environmental factors.
Applications and Functions of the PV Combiner Box
Within the operational framework of photovoltaic power plants, the PV combiner box plays a multifaceted role, contributing significantly to enhanced efficiency and reliability. Its capabilities encompass frequency conversion control, intelligent monitoring, and fault diagnosis, all of which work synergistically to optimize the performance and longevity of the photovoltaic system.
Here are the key applications of a PV combiner box:
Power Optimization through Frequency Conversion Control
The combiner box employs sophisticated frequency conversion control mechanisms to regulate voltage and current, enabling maximum power point tracking (MPPT). This ensures that the solar photovoltaic modules are operating at their peak efficiency, maximizing the power output of the solar array.
Real-Time Monitoring for Enhanced Performance
Integrated with advanced monitoring systems, the PV combiner box offers real-time surveillance of critical parameters such as voltage, current, and power output from the photovoltaic modules. It also monitors the internal circuitry and components for signs of wear, damage, or malfunction. This proactive monitoring facilitates prompt identification and rectification of issues, minimizing downtime and maximizing system uptime.
It provides a centralized location for connecting and managing the DC power generated by the solar panels. The DC combiner box is equipped with fuses or circuit breakers to protect against overcurrent and short circuits. This helps to prevent damage to the photovoltaic modules and other electrical components. It also features a monitoring system that allows users to monitor the voltage, current, and power output of each string. This enables early detection of any issues or malfunctions in the photovoltaic system. The DC combiner box is typically made of durable materials to withstand harsh environmental conditions. With its ability to efficiently combine and manage DC power, the DC combiner box is an important part of a reliable and efficient photovoltaic power generation system.

Technieal Sepcifcation

Model

CSPVB/2-1

Electric parameter

System maximum DC voltage

550 1000

Maximum input current for each string

35A

Maximum input strings

2

Maximum output switch current

2QA/32A

Maximum inverter MP PT

1

Number of Output strings

1

Lightning protection

Category of test

Grade 2 protection

Nominal discharge current

20kA

Maximum discharge current

40 kA

Voltage protection level

2.8kV 3.8kV

Maximum continuous operating voltage Uc

630V 1050V

Poles

2P 3P

Structure characteristic

Plug-push module

System

Protection grade

IP65

Output switch

DC circuit breaker

MC4R Waterproof Connectors

Standard

PV DC fuse

Standard

PV surge protector

Standard

Box material

Engineering plastics

Installation method

Weill mounting type

Operating Temperature

-25*C z + 55*C

Altitude

2km

Permissible relative humidity

0-95%, no condensation

Mechanical parameter

Width x High x Depth (m m)

400x400)080

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Condition and Installation

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FAQ

  • 1. How many lines can be entered?

    Under normal circumstances, 2in 1 out to 24 in 1 out

  • 2.What is the operating temperature range?

  • 3. What is the level of protection?