Off-Grid Low Frequency PV Inverter EP3200 Series 1KW-3KW

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30000 watt
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18000000 watt/month

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

A solar inverter, or PV inverter, or Solar converter, converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into a

utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a

critical BOS–component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. Solar inverters have special

functions adapted for use with photovoltaic arrays, including maximum power point tracking and anti-islanding protection..

 

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 1KW-3KW

Off-Grid Low Frequency PV Inverter EP3200 Series 1KW-3KW

Off-Grid Low Frequency PV Inverter EP3200 Series 1KW-3KW

Off-Grid Low Frequency PV Inverter EP3200 Series 1KW-3KW

 

 

4. Off-Grid Low Frequency PV Inverter Specification

Rated Capacity

1000W 

1500W 

2000W 

3000W 

Efficiency

>90%

Input

Model

120v Models

230v Models

Nominal Voltage

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

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

Output

Rated Power

1000W

1500W

2000W

3000W

Output Voltage

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

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

Voltage Waveform

Pure Sine Wave

Crest Factor

3:01

Regulation(Nominal)

±10% Typical Of Nominal Voltage

Transfer Time

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

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

Max Bypass Overload Current

30A

Input

Nominal Voltage

DC12V/24V

DC12V/24V

DC12V/24V

DC24V/48V

Over Current Protection

By Re-Settable Over Current Protector

Output

Nominal Input Voltage

230Vac

Input Voltage Range

185~265Vac

Nominal Charge Current

35amp-70amp

Charger Short

Circuit Breaker

Circuit Protection

Over Charge

Bat• V  15• 7Vdc/31• 4Vdc/62• 8Vdc

Protection

Beeps 0• 5s Every 1s & Fault After 60s

Battery Type

Lead-Acid 12Ah 250Ah

Typical Backup Time

No Limit, Depend on external battery

Average Charging Current

35A/20A

45A/30A

65A/35A

75A/30A

Battery voltage Option

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 BatteryLow Battery & Battery Over Voltage

Alarm On Abnormal Operation

Over Load, Short-Circuit, & Over Heat

Environment and Safe

Operating Temperature

0 To 40 (32 To 104)

Transit/Storage Temperature

-15 To 60

Audible Noise

60 Dba Max at 1m

Quality Control System

ISO 9001,CE,FCC

Physical

Dimensions: (H×D×W)

570*320*315mm

G• W (Kg)

19

19

22.5

27.5

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?
A1Inverter 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?
A2MPPT 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:Three-phase photovoltaic inverter grid, the use of phase-locked loop is what?
In addition to the function of converting DC current into alternating current, the inverter also has the maximum output tracking function (MPPT), overvoltage protection, short circuit protection, island protection, overheat protection, overload protection and DC grounding
Q:PV grid-connected inverter can directly load it?
Grid-connected inverter is like a car file, he first detects the grid waveform, can not detect not boot, and then the PV DC modulation and consistent with the grid waveform, and then hang up.
Q:What is the difference between a PV grid-connected inverter and an off-grid inverter?
Grid-connected inverter does not need energy storage, but the energy can not be controlled, the number of photovoltaic sent to send online how much, simply do not want people to.
Q:PV grid-connected inverter and independent inverter in the control of what is the difference
The independent inverter in the output voltage phase amplitude of the frequency control is initially set good. Independent inverter, you should refer to off-grid inverter, do not need to consider the grid situation.
Q:What is the difference between a PV inverter and a solar inverter?
Instability, the wind speed and the equipment itself will directly affect the generator rotation, so the voltage and current fluctuations, frequency instability, in short, is the power quality is poor) Therefore, through the inverter after the first rectification inverter to improve the quality of power
Q:Photovoltaic grid-connected inverter without DC emc how will happen
can convert light energy into electricity, so that the current flow from one side to the other, the general can be issued equivalent to 10 to 20% of the received light energy. In general, the stronger the light, the more electricity is generated. Its working principle is based on the semiconductor PN junction of the photovoltaic effect. The so-called photodynamic effect is when the object by the light, the object within the charge distribution of the state of the electromotive force and current generated an effect.
Q:Is the PV inverter a current source or a voltage source?
According to the waveform modulation method can be divided into square wave inverter, stepped wave inverter, sine wave inverter and modular three-phase inverter.
Q:Grid-connected inverter is generally divided into photovoltaic power generation grid-connected inverter, wind power grid-connected inverter, power equipment and grid-connected inverter and other power generation equipment power generation inverter.
Grid-connected inverter is generally used with large-scale photovoltaic power plant system, a lot of parallel PV string is connected to the same set of inverter DC input, the general power of the use of three-phase IGBT power module, power
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?
Grid-type system power transmission sequence: photovoltaic panels> relays> inverters> relays> electricity load + power grid (both in parallel).

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