Off-Grid Low Frequency PV Inverter EP3200 Series 4KW-6KW

Ref Price:
$560.00 - 650.00 / unit
Loading Port:
China main port
Payment Terms:
TT or LC
Min Order Qty:
50 unit
Supply Capability:
1000 unit/month

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1. Structure of Off-Grid Low Frequency PV Inverter Description

EP3200 series off-grid low frequency PV inverter adopt very new model copper transformer so the efficiency reach to 90% and lower

 consumption (NEW !)

Pure sine wave solar hybrid inverter for solar system and home appliances . EP3200 series off-grid low frequency PV inverter developed on

 the base of our very popular EP3000 series . EP3200 has achieved significant improvements on battery charging , AC transfer , bypass

etc .

By adopting DIP(Dual-in-line) switch , EP3200 series off-grid low frequency PV inverter provides more smarter options for users to

customize the performance of the device . Main for home solar system including air conditioner , refrigerator , washing machine , water

pump , fans , tv , lights etc.

 

2. Main Features of the Off-Grid Low Frequency PV Inverter

•  High overload ability of our EP3200 charger is up to 300% rated power

• EP3200 pure sine wave inverter adopts low quiescent current, and power saver mode to reduce power consumption to 3W . It can extract

 max. power from various batteries with different protections, and low voltage trip can be selected (10V/10.5V/11V).

• Uses PFC (power factor correction) for charger, which has less power consumption than conventional units.

• It has 10s delay before transfer when AC resumes, and overload protection when our APC pure sine wave inverter equips with generator.

• 10ms typical transfer time between battery and AC, which guarantees power continuity of EP3200 charger. Uses selectable input AC

voltage (185-265V or 155-255V) for different kinds of loads.

• Our EP3200 charger allows start up and through power with depleted batteries. Its powerful charge rate up to 70Amp.

• It can offer 3-step intelligent battery charging, and equipped with 6 preset battery type selector for totally flat batteries.

• LCD status display, battery/AC priority switch, RS232 communication port are available for our EP3200 pure sine wave inverter, it also

has 17 alarms/warnings for easier operation and trouble-shooting, and ability to switch the unit on/off. In addition, select/deselect power

saver mode can be used too.

 

3. Off-Grid Low Frequency PV Inverter Images

Off-Grid Low Frequency PV Inverter EP3200 Series 4KW-6KW

Off-Grid Low Frequency PV Inverter EP3200 Series 4KW-6KW

Off-Grid Low Frequency PV Inverter EP3200 Series 4KW-6KW

Off-Grid Low Frequency PV Inverter EP3200 Series 4KW-6KW

 

4. Off-Grid Low Frequency PV Inverter Specification

Rated Capacity 

4000W 

5000W 

6000W 

Efficiency

>90%

Input

Model

120v Models

230v Models

Nominal Voltage

100V/110V/115V/120VSelectable

200V/220V/230V/240V Selectable

Output

Rated Power

4000W

5000W  

6000W

Output Voltage

100V/110V/115V/120V Selectable

200V/220V/230V/240V Selectable

Voltage Waveform

Pure Sine Wave

Crest Factor

3:01

Transfer Time

Transfer Time : AC To DC : 10ms (Typical)

Transfer Time : DC To AC : 10ms(Typical )

Max Bypass 

30A

Overload Current

Input

Nominal Voltage

DC24V/48V

DC48V

DC48V

Over Current Protection

By Re-Settable Over Current Protector

Output

Regulation (Nominal)

±10% Typical Of Nominal Voltage

Nominal Input Voltage

230Vac

Input Voltage Range

185-265Vac

Nominal Output Voltage

According To The Battery Type

Nominal Charge Current

30Amp-70Amp

Battery Type

Lead-Acid 12Ah ~ 250Ah

Typical Backup Time

No Limit

Charging Method

Smart Pulse Charging With Two Charging Modes:

Quick Charging When Battery Is Not Fully Charged, 

Trickle Charging When Battery Is 90% Fully Charged.

Average Charging

65A/35A

70A/40A

50A

Current

Battery Voltage options

Options 7

Battery low trip to bypass 11v , high trip to battery 14v

Options 8

Battery low trip to bypass 10.5v , high trip to battery 13.5v

Options 9

Battery low trip to bypass 10v , high trip to battery 13v

Communications & Management 

Control Panel

LCD/LED Option

Audible Alarm

Alarm On Battery:

Low Battery & Battery Over Voltage

Alarm On Abnormal Operation:

Over Load, Short-Circuit, & Over Heat

Environment And Safe

Operating

0℃ To 40℃ (32℉ To 104℉)

Temperature

Transit/Storage 

-15℃ To 60℃

Temperature

Audible Noise

60 Dba Max at 1m

Quality Control System

ISO 9001,FCC,CE

Physical

Dimensions: (H×D×W)

755*320*310mm

G.W (Kg)

37.5

47.5

47.5

Packing

Export Carton For Each Unit Per Carton

5. FAQ of Off-Grid Low Frequency PV Inverter

Q1. What is the difference between inverter and Off-Grid Low Frequency PV Inverter?
A1. Inverter only has AC inpput, but Off-Grid Low Frequency PV Inverter both connect to AC input and solar panel, it saves more power. 

Q2. What is the difference between MPPT&PWM?
A2. MPPT has higher efficiency, it can track the max power point and won't waste energy.

Q3. What is the waranty of product?
A3. 12 months. 

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Q:In a photovoltaic grid-connected project, the role of the inverter is to convert the voltage into AC 220V or 380V for the grid, since the transformer will raise the voltage again
Self-use, do you mean off-grid system? Or else? Europe and Sweden side of the grid project electricity situation is also self-use? If not for their own use or spontaneous use is not used up, sent to other places electricity, you need a transformer?
Q:Installation and maintenance of photovoltaic grid - connected inverter
Before making an electrical connection, be sure to use the opaque material to cover or disconnect the PV panel. Exposure to sunlight, photovoltaic arrays will produce dangerous voltages. All installation operations must be done only by qualified technicians.
Q:The working principle of photovoltaic grid - connected inverter
Inverter will be converted into alternating current DC, if the DC voltage is low, then through the AC transformer boost, that is, the standard AC voltage and frequency. For large-capacity inverter, because the DC bus voltage is high, AC output generally does not require transformer boost that can reach 220V, in the small and medium capacity of the inverter, because the DC voltage is low, such as 12V, 24V, It is necessary to design a boost circuit.
Q:How the output voltage of the PV inverter and the grid-connected voltage are determined
due to the higher penetration rate of the car to go out to work or travel can be connected with the inverter battery drive electrical and various tools work. The car inverter output through the cigarette lighter is 20W, 40W, 80W, 120W to 150W power specifications. And then a large number of power inverter power
Q:Three-phase photovoltaic inverter grid, the use of phase-locked loop is what?
Grid-connected inverter can be operated locally through the LCD screen, or through remote monitoring with dedicated monitoring software.
Q:What are the methods of photovoltaic grid-connected inverter control
Inverter main circuit need to have a control circuit to achieve, generally have square wave and sine wave two control methods, square wave output inverter power supply circuit is simple, low cost, but low efficiency, harmonic components. Sine wave output is the development trend of the inverter, with the development of microelectronics technology, there are PWM function of the microprocessor has also come out, so the sine wave output inverter technology has matured.
Q:After the PV inverter, how to achieve the same period before the network?
When the voltage, frequency, phase does not meet the requirements, the automatic closing closing pulse.
Q:The function of photovoltaic grid - connected inverter
In general, single-phase h-bridge is a common configuration of dc / ac-level, but can also be used in three-phase and other configurations.
Q:What is the difference between low voltage grid connection and medium voltage grid connection?
Have a low pressure through the function set, low pressure through the scope of the project requirements, grid and network requirements and the actual situation of the design), low voltage grid to pass the voltage range is less than the medium pressure, parameter settings are not sensitive and complex.
Q:Is the grid side of the grid and the inverter?
The grid load side of the grid is the grid. The inverter is an important part of the PV grid-connected system and can not be regarded as an external load. Photovoltaic power generation system is included in both grid and off-grid.

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