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Solar Junction Box

Selection of Bypass Diodes

Mar 30 2022

Selection of Bypass Diodes

The diode in the photovoltaic junction box is used as a bypass diode to prevent the hot spot effect and protect the components. The selection of bypass diodes mainly needs to follow the following principles: 1. The withstand voltage capacity is twice the maximum reverse working voltage; 2. The current capacity is twice the maximum reverse working current; 3. The junction temperature should be higher than

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How to choose the model and specification of the junction box

Mar 30 2022

How to choose the model and specification of the junction box

The photovoltaic junction box is a kind of connector of the solar cell module. Its primary function is to export the electric energy generated by the solar cell module through the cable. Due to the particularity of the use of solar cells and their expensive value, photovoltaic junction boxes must be specially designed to meet the use requirements of solar cell modules. In the photovoltaic power generation system, if

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Precautions for junction box installation

Mar 30 2022

Precautions for junction box installation

The junction box should be tested before use. The main items are appearance, sealing, fire resistance level, whether the diode is qualified, etc. The test is as follows: 1. Appearance: size, with or without defects, operate by the incoming inspection work instructions 2. Mechanical properties: the tension between guide and bus bar; clamping force at diode angle; tension between wire and junction box; tension

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How to install a solar junction box

Mar 30 2022

How to install a solar junction box

The solar junction box is essential because it connects your solar panel to the outside world and protects your connections from outside the solar panel. Its second purpose is to give you an easy way to connect and disconnect solar panels for maintenance or repair or create a series of solar panels (solar arrays) together. Additionally, it adds an overall professional look to the entire panel. Before installation,

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Application FAQ

Mar 30 2022

Application FAQ

1. Electrical performance The electrical properties of the junction box mainly include parameters such as working voltage, working current, and resistance. Therefore, to measure whether a junction box is qualified. 2. Working voltage When the reverse voltage applied across the diode reaches a specific value, the tube will be broken down, and the unidirectional conductivity will be lost. Therefore, the maximum re

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What is a solar junction box?

Mar 16 2022

What is a solar junction box?

The solar junction box connects the solar cell array composed of solar cell modules and the solar charge control device. It is a cross-disciplinary comprehensive design that combines electrical design, mechanical design, and material science. The solar cell module junction box is essential in the composition of the solar module. Its primary function is to connect the electricity generated by the solar cell with the

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