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

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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.

Q:Part of the rated voltage of the power equipment is marked 10.5kv, and this is similar to the label 10KV power equipment what is the difference?Consulted a lot of teachers, but it is said that this is the old and new two methods, I would like to ask what is the basis of this, it is best to have a national standard for reference: 3, rated voltage transformerRegulations, to accept the power of the primary winding, the output power of the two windings, the general, the primary winding voltage = network voltage, the voltage of the two winding due to the consideration of the loss, higher than the network voltage of 5% to 10%

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:Power equipment sales process, the customer asked the most questions thank you: 3, the component parts of the device, which is the core component of the device, to master the working principle of the device oh;4, after-sales service problems, technical introduction of after-sales service;5, price, product prices and other brand products at what level;

Q:The relationship between primary equipment and two equipment in power system: Including generator, power transformer, circuit breaker, isolating switch, power bus, power cables and transmission lines, etc..

Q:Electric power automation equipment: Power system relay protection, remote control, communication, information technology,

Q:What is the redundancy of electrical equipment: Disk duplex: a I/O controller is added to the mirrored disk to form a dual disk to improve bus contention.RAID: cheap redundant array of disks (Redundant array of inexpensive disks). As the name suggests, it consists of a number of disks, through a controller to coordinate the movement of a single data flow into the disk. The RAID3 system consists of 5 disks, in which 4 disks store data, and the 1 stores the check information. If a disk fails, you can replace the disk on the line, and through the other 3 disks and check the disk to re create the data on the new site. RAID5 will check the information distributed on 5 disks, so you can replace any disk, the rest with the same RAID3.

Q:How to solve the short circuit of emergency communication equipment: As you can see (xxxxx). But in the national disaster or war, the government can expropriate these hand car car.Thank you! I hope my reply will satisfy you!

Q:Ask the expert about the design of the power system diagram, 6kV side of the electrical equipment how to supply: For 35/6KV step-down stationEach line with the 6/0.4KV transformer, or 6KV equipment (such as 6KV synchronous motor), are the load of the stationSo, there are 6KV devices, single occupancy 6KV bus on a certain line can be

Q:What is the meaning of the high - voltage high - voltage device in power system, which is mainly used to protect the equipment and equipment: There has been greater than the power load power requirements, response to the power parameters is high frequency, this requires high cycle splitting device, tripping the corresponding circuit breaker, to remove the part of power grid connected or separated from the original into two or more power to lift the accident or the narrow scope of the accident to

Q:What are the customer groups faced by power intelligent equipment?Products such as electric capacitor reactive power control (capacitor module), reactive power compensation controller, the series of electric power meter, active filtering equipment, power monitoring system, energy management system, operating system and DC power system accessory products.: Power capacitor is a kind of reactive power compensation device. Power system load and power supply equipment such as motors, transformers, transformers, etc., in addition to the consumption of active power, but also to absorb reactive power. If the reactive power is supplied by the generator, it will affect its active power output, not only uneconomical, but also lead to poor quality of the voltage, affecting the user's use.

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