PV Array Combiner Box ( Monitor current as far as input array and display the value by RS485)

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Tianjin
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TT OR LC
Min Order Qty:
1 unit
Supply Capability:
100 unit/month

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Product Description:

   

In large PV system feeded in gridm, it is necessary to set a PV combiner box

 

 

between PV module and inverter for the purpose of lessening connecting wires

 

 

between PV modules and inverters, easy maintainance, enhancing reliablitity.  

 

 

Exclusive Features

 

 

- Applicable to both indoor and outdoor.

 

 

- Numerous PV arrays could be connected in synchronously with fuse at each

 

 

  circuit.

 

- With specialized voltage arrester for PV. And both positive and negative pole

 

 

  have function of lightning protection.

 

 

- Use four-pole breaker series connected by postitive and negative pole

 

 

  separately to enhance DC withstanding voltage value.

 

 

- Monitor current as far as input array and display the value by RS485.

 

 

- Monitor voltage after combination, and display the value by RS485.

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Q:Is the installation of railway communication, signal and power related to mechanical and electrical engineering
2, the communication system has its own transmission access network system, program-controlled switching system, optical cable and cable system and line real-time online monitoring system, power supply system and power environmental monitoring system (such as these are basically the same equipment and system of telecom operators, need to have a special construction qualification).
Q:What equipment is needed in the national grid project
National grid examination review will find it difficult to integrate the knowledge of many aspects of the examination, the topic is also miscellaneous, the total can not touch the law. So before the exam on the long manager to accompany the class library to do it again, the test is not so difficult to finish feeling.
Q:Power equipment is required to replace the dimension, the state has no relevant provisions
If the customer has the ability to organize their own maintenance can also be replaced by Victoria
Q:1 what are the main aspects of power line fire? 2 what are the main aspects of electrical equipment fire?
Five, fire control room and electrical fire monitoring detector set over 8 independent electricFire monitoring detector six, electrical fire monitoring system settings should affect the power supply system
Q:What is the meaning of the station control layer in the power system
Through a new layer, control layer mainly refers to the monitoring of plant level, for example in the substation monitoring system, sub station system. The station control layer equipment mainly refers to the monitoring station, engineer station, sub station information and so on. The spacer layer mainly refers to the relay protection and control, recording.
Q:On the safety hazards of electric equipment safety
3 where in the overhead power line protection zone new, reconstruction or expansion of the building, must go to the power supply department for the approval of the relevant procedures for the safety of power facilities construction. It is forbidden to borrow, dig fish ponds, pile up or dump harmful chemicals in the power line protection zones.4 where the demolition, the power line protection zones of overweight, lifting, drilling, piling, scaffolding and other construction work, it shall be permitted by the power supply departments, take appropriate safety measures, and can work in the power supply department under the supervision of professional staff.
Q:Buildings, factories, institutions, power distribution room of the power equipment as required
In the vicinity of the power grid in the supply of power on the requirements of their own generators to ensure that the dual power supply. Factories and institutions to see what the main work, if it is steel, hospital, such as the load category one or two categories of power needs of the dual power supply. And the load such as electric furnace, easy to produce harmonics, in order to ensure the power quality of the grid, it requires the installation of harmonic elimination device.
Q:What are the lightning protection measures of power system
1 set up the lightning rod, 2 to reduce the grounding resistance. 3 set up the coupling ground wire, the 4 adopts the unbalanced insulation mode. 5 equipped with automatic reclosing. 6 to strengthen the insulation, the 7 installation line lightning arrester, barrier needle, 8 lightning protection grounding
Q:What principles should be followed in power equipment maintenance
(2) the maintenance plan shall be arranged according to the unified arrangement of the power grid to improve the coordination and reduce the outage time of the equipment,. Improve operation reliability and equipment availability.
Q:What is the power system and the power grid 2 what is the rated voltage of electrical equipment
Power system is a kind of electric power production and consumption industry chain, which is from generation to generation. When the "power system" as an industry name, it includes power generation, for (transmission) electricity, power construction, power design, power test, power scheduling, etc..

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