Smart Photovoltaic Controller of Communications

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China main port
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TT OR LC
Min Order Qty:
10 pc
Supply Capability:
1000 pc/month

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Product Description:

Model

GK4835A

GK4850A

Rated input voltage range

170~240Vdc

Rated output voltage range

43.2~57.6 Vdc

Rated output current

35A

50A

Output power

2000W

2500W

Total power

≥94%

Output ripple and noise

≤200mvp-p

Short circuit protection

Report it and send the   alarm, and alarm may be recovered after the removal of short-circuit fault

Input over-voltage and   under-voltage protection

Settable

Output over-voltage and   under-voltage protection

Settable

Over-temperature protection

65ºC

Working temperature

-20~55ºC

Degree of protection

IP20

Installation environment

Dry, well-ventilated, small   electromagnetic interference, and low-dust environment

Product dimensions (L/W/L)

315mm/110mm/86mm

Package dimension (L/W/H)

405mm/170mm/136mm

Net weight

2.8kg

2.9kg

 

Product Description

Description:
GK4835A/50A is a communication PV controller module with MPPT function and converts the energy of solar modules into the stable DC to power the load or charge the battery. It is mainly used in the mobile communication base stations and the communication equipment of machine room and remote independent power supply station. This product adopts DSP control technology, and the DC output is regulated in the isolated and independent way. The module can form the smart wall-mounted or cabinet power supply system of communications. Smart control system can adjust its output parameters and protection value through the serial port communications, with the smart battery expert maintenance and management system.
 
Features:
High conversion efficiency with MPPT automatic tracking function;
With the wide input voltage range, it is applicable to the modules with different capacities;
Precise DC output voltage / current and small ripple;
Charging is performed by the smart current limiting to increase the battery life;
PV reverse polarity, input over-voltage/under-voltage protections; battery high/low-voltage protection; output short circuit protection, etc.;
Minimized module has hot-swapping function with easy maintenance and installation;
It can perform 485 communication with the host computer with MODBUS protocol.

 Smart Photovoltaic Controller of Communications

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Q:Power equipment sales process, the customer asked the most questions thank you
In order to make electricity sales, electricity is to master the basic skills, to see more electrical and electronic, electric power system, plant power supply and distribution aspects of the books, only solid basic skills can be handy, you should at least master will sell the product knowledge, understand.
Q:What is the definition of abnormal equipment, equipment failure, equipment failure, equipment accident
Accident: has occurred, resulting in loss of damage,Such as short circuit arc circuit breaker tripping, burning, scrap.
Q:The concept of "remote message" in communication and power equipment
General electric power on the four remote, remote, telemetry, remote control, remote control, and now there is more than one remote viewing. Remote signal is generally refers to the opening and closing state of each switch, remote measurement is the voltage, current, temperature, etc..
Q:What are the technical measures to ensure the safety of the power line equipment?
Electricity, electricity, hang the ground and install signage, hanging Obscuration using personal security line
Q:The two devices of the power system have those
4, relay protection and automatic devices, such as relays, automatic devices, used to monitor the operation of a system, rapid response to abnormal and accident, and then acts on the circuit breaker, protection control.5, DC power supply equipment, such as storage batteries, DC generators, silicon rectifier, etc., to provide control and protection of DC power supply and DC load and emergency lighting, etc..6, high frequency wave blocking device.7, since the cast device.
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 power equipment which is used in the field of steam turbine
Power equipment including: boiler, steam turbine, pump, deaerator, condenser, generator and so on, from the impact of steam boiler turbine blade hot out of the turns, then drives the generator to rotate to generate electricity, in general, now in thermal power plant and a large Shipping Co to use steam turbine
Q:Two power equipment; I was engaged in a number of more than a few cabinets to know more about the two
The network equipment and the remote communication cabinet are responsible for the communication between the equipment and the background in the station and the communication with the electric power department
Q:What are the necessary equipment for power line project?
There are connection tools, such as hydraulic pliers, crimping pliers, pressing tools, connecting tube, detonation pressure tube; the last is a measuring device, theodolite, rod, etc. in addition to the measuring rod; excavation tools such as shovels, iron, hammer and so on.
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

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