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:Power equipment are used, can help to divide some of the details
Power equipment classification:1 the sequence of electric power in power system can be divided intoPower generating equipment, power generation equipment, power transmission equipment and electric equipment2 the main role of the power system can be divided intoPrimary equipment, two equipment
Q:What is the importance of annual maintenance of electrical equipment
Two, power equipment testing overviewElectrical equipment preventive testing refers to the equipment has been put into operation according to the stated experimental conditions (test equipment, such as the provisions of the environmental conditions, test methods and test voltage etc.), regularly check the test items, test period ofOr test to find out the hidden trouble of the electric equipment in operation, prevent the accident or the damage of the electric equipment. It is an important measure to judge whether the power equipment can be put into operation and ensure the safe operation.With the rapid development of social economy, the rapid development of science and technology, the range of power equipment testing, equipment and technology are advancing with the times. A set of equipment "health index" including its electrical characteristics and mechanical characteristics of the two part of the contents of the groupAs a result, and can not get the power equipment in the power of the electrical characteristics of the "health value" this problem has been plagued by power users for many years. The emergence of a new condition monitoring technology solves this problem. Not only extends the powerThe concept of equipment testing, but also to fill the blind spot in the field of power equipment testing. The conventional power outage detection and monitoring technology complement each other, to provide a full range of data support for the reliable operation of power equipment.
Q:On the nameplate of the electrical equipment, what does ith UE ie mean?
Electrical equipment (Electrical Equipment) is in the power system of generators, transformers, power lines, circuit breakers and other equipment collectively.
Q:The cost calculation of power equipment
The cost of your equipment maintenance is calculated according to the method of replacement and maintenance
Q:What is the installation equipment of the transformer on the power installation project
Installation of drop fuseHigh and low voltage side of distribution transformer should be equipped with fuse. High voltage side fuse at the bottom of the vertical distance from the ground is not less than 4.5m, the fuse and the horizontal distance of not less than 0.5m, in order to smooth down the fuse tube is easy to operate and fuse, axis drop type fuse with the vertical line of 15% ~ 30% angle. The vertical distance to the surface of the bottom of the low voltage side fuse shall not be less than 3.5m, and the horizontal distance of each fuse shall not be less than 0.2m.
Q:What is the GIS in power system
GIS has the advantages of small footprint, high reliability, high security, maintenance workload is very small, the main parts of the maintenance interval of not less than 20 years.In the Three Gorges project, the left bank power station and the right bank power station has a 550 thousand volt GIS high voltage power distribution device. Left bank power station 550 thousand volt GIS and ancillary equipment in the upstream of the Deputy plant height of 93.6 meters GIS indoor. Main transformer and 500 thousand volt shunt reactor. GIS and the main transformer and shunt reactor with oil, six sulfur hexafluoride casing connection. Room GIS upper Deputy plant roof, layout of a GIS air, oil outlet pipe and open the trap, capacitor voltage transformer, lightning arrester, air outlet, six sulfur hexafluoride overhead line connected by the casing with these devices. GIS indoor type.Indoor GIS is hardly affected by atmospheric conditions. GIS overhaul cycle is generally 15 years or more, the Three Gorges power plant GIS main parts of the maintenance interval of not less than 20 years. And AIS or H - GIS, due to the impact of the external atmospheric conditions, the aging and damage speed, overhaul cycle is short and overhaul times.
Q:The problem of electric power equipment withstand voltage
Because of the low air pressure in the air at high altitude, at the same voltage
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:What is the meaning of the power equipment in criminal law
The behavior of the power line that has been installed and has not yet been powered off shall be treated differently. If the stolen cut is not formally delivered to the power sector to use the line, should be handled in accordance with the theft case. If the actor knows the line has been delivered to the use of the power sector and steal cut wires, shall be designated as the crime of destruction of power equipment.
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

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