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

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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





- 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:The role of electrical equipment handover and preventive testing
Is your company product acceptance test of customer delivery, in order to find new equipment in the design, manufacture, transportation and installation in the process of diagnosis is consistent with the risks, operational conditions, testing of new equipment.
Q:What are the relevant national standards for power equipment?
The standard is very thin do not know what you want to give you some of the specific power of the main reference
Q:I do sales of electrical equipment, how to deal with the power supply bureau?
I am in charge of power management and power management. To provide you with the following suggestions: both the high voltage power equipment (such as transformer, voltage or current transformers, towers, porcelain crossarm, netsuke etc.)
Q:What is the power system and the power grid 2 what is the rated voltage of electrical equipment
The rated voltage of the electrical equipment is the working voltage standard designed by the designer.4, the power system uses a variety of voltage levels, on the one hand is the process of historical evolution, in 50s only 35KV, in 60s with 110KV, in 70s the establishment of the 220KV power grid, and later developed to 500KV and DC transmission. On the other hand, a higher voltage level is used to further the safety and economy of transmission. Of course, the retention of 35KV and 110KV, but also taking into account the economic costs of close range transmission.
Q:I would like to open a company on the construction of power equipment, what needs to be prepared?
First, the qualification of electric power project construction. Divided into one to four, respectively, by the Ministry of housing, the provincial housing department, the Municipal Housing Construction Bureau and County Housing Construction Bureau approval. Construction quality is also subdivided into general contracting, professional construction contract, etc.. The project general contracting, according to whether the design, supervision, equipment procurement and other business content, but also can be subdivided.
Q:What is the concentrator of the power set
Centralized meter reading. Power system is an important part of power automation system, and it is an intelligent system which develops rapidly in recent years. The system integrates data acquisition (JY-RTU6640), intelligent control and network communication, and realizes remote data exchange and real-time monitoring. Through the centralized meter reading for power users, improve the accuracy, reliability and safety of meter reading work; can realize the real-time calculation of line loss; to detect anomalies and the phenomenon of stealing electricity meter; effective control of electricity arrears behavior; reduce the cost of management, so as to improve the modern management level of power marketing.
Q:Ask the expert about the design of the power system diagram, 6kV side of the electrical equipment how to supply
6kV equipment directly in the 6kV bus out of the lead, do not consider the capacity, it does not affect the use of 380V equipment
Q:The two devices of the power system have those
Two power system equipment:An auxiliary device for monitoring, measuring, controlling, protecting and regulating the primary equipment in a power system, called a two device, that is not directly connected to the electrical energy.
Q:Electrical equipment classification
Mainly there:Equipment for the production and conversion of electrical energy, such as generators, motors, transformers, etc.;Switch on or off circuit breaker, such as circuit breaker, isolating switch, contactor, fuse, etc.
Q:What equipment is necessary on the list of electrical engineering equipment?
Take 35KV power engineering, the need for ZGF-400kV/2mA DC high voltage generator

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