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PV Combiner Box
PV Combiner BoxDescription Smart photovoltaic combiner is designed for multi-string inputs photovoltaic generation system. Integrates functions as string combing, detection, monitoring and protection, and ensures secure,reliable and simple connection between multi-string PV inputs and inveter. This series can...

Description

Smart photovoltaic combiner is designed for multi-string inputs photovoltaic generation system.

Integrates functions as string combing, detection, monitoring and protection, and ensures secure,reliable and simple connection between multi-string PV inputs and inveter. This series can be attached to Inverter as a unit,or installed separately .


Features

. Two outputs, directly connect to two MPPTs of inverter

. Intergrating DC lightening protection module and fuse, upgrade inout protection to inverter 

.Precise monitoring string current, voltage and operation status.

. Extended Analog input port.supporting to connect environment monitoring instrument.

. Intelligent andti feedback function is optional.

Acting to smart grid dispatching signals.

.Setting output power and time interval via WinExpert and phoneExpert .

. An external 12V 100mA auxiliary power connector providing availability to system expansion

.RS485 communication interface ,fully compatible with photovoltaic power generation system of internal and external communication


Specification


Item No.

CB6

CB8

CB10

Electrical Parameter

Number of Max.DC input strings

6

8

10

Max.DC input Voltage(V)

1000

Max.DC Output Current(A)*Output strings

30*2

40*2

50*2

Model of input connection

M16

Model of output connection

M16

Detection Function

Input String current; Output Voltage; SPD State

Communication Interface

RS485

Communicating Protocol

MODBUS-RTU

Power supply

Internal Power Supply

Measuring Accuracy

2% rated (Rated current Per string 10A)

Extended Analog Input

5 input of 4-20mA current signal

Environmental Parameter

Degree of protection

IP65

Operation Temperature

-25℃~+70℃

Relative humidity

99%,no condensation

Operating Altitude

4000m

Protection Parameter

Fuse

15A

Number of Fuse

6

8

10

SPD

Class II

Lightening Protection for communication

integrated

Lightening Protection for communication Port of PC Software

None

Mechanical Parameter

Dimension (H*W*D mm)

380*280*140

Weight (kg)

<10

Installation

M5 screw




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Intelligent Anti Feedback Solutions

In some applications, Power Grid Corp normally requires the PV system to be equipped with anti feedback function.That means that surplus generated electricity is not allowed to be injected into the grid via a low voltage distribution circuit and must be for local consumption. With intelligent anti feedback function, the system sends a control signal to the inverter and adjusts the power output of the grid inverter to attain the objective of providing max power to the local and no feedback to the grid .


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