High Frequency Transformer Isolation PV Grid-Tied Inverter
LF series 0.6kw — 1.5kw
Features: Single stage inverter is the main characteristic of this product , in which power grade period compared with other topological structure has higher conversion effciency and reliability
5 years warranty
· Sealing stainless steel shell, suitable for indoor or outdoor installation
· High frequency transformer isolation
· The highest effciency achieves 98%
· Wide input Voltage range
· Adopt connectors type cable connection, Easy operation and installation
· Best tracking effciency with OptiTrac MPP control
· operating temperature range -25 ℃ to + 55℃
· High reliability due to complete protection function
· Anti-theft protection
· Plug-in grounding
HF series 1.5kw — 5.0kw
High frequency transformer isolation is the main feature of our production, which make Installation easier due to the reduced weight and higher conversion effciency because of omitting Low frequency transformer. The wide input voltage range from 180 to 600volt gives you extraordinary fexibility for you system design. Not need to set graphic display and RS485 communication system make the devices highly user-friendly.
This product can by multi-level parallel combination for 6kw to 20kw needed any power grade HF series technical parameter.
PV Voltage range, MPPT
150V ~ 550V
150V ~ 550V
Number of MPP trackers
Max.number of strings (parallel)
Nominal AC power /
Max AC power
Nominal AC Voltage / range
AC grid frequency / range
47.5-51.5Hz / 59.3-60.5Hz
Power factor at rated power
Max. efficiency/Californian efficiency
> 98.0% / > 97.0%
MPP adaptation efficiency
DC reverse polarity protection
AC short-circuit protection
Ground fault monitoring
Output Transient Voltage Suppression
(W/ H / D) in mm
350 / 560 / 160
370 / 540 / 185
Operating temperature range
-25 ~ +60℃
Storage temperature range
-40 ~ +70℃
0 ～ 100%
HF-transformer galvanic isolation
IP65 / NEMA 3R
DC connection: PV special connector
AC connection: connector
LCD display & Backlit
Warranty: 10 years
Certificates & approvals
G83 / G59 / TUV / SAA / ETL / JET/ CE
- 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
- Part of the distributed grid-connected projects, the basic are "spontaneous use, the power of the Internet," these do not need to boost, because the extra power is actually consumed by the surrounding electricity users, do not boost to a Level power grid;
- 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:Solar grid inverter does not merge into the grid, direct access to the load to the load power supply?
- Widely used in air conditioning, home theater, electric wheel, power tools, sewing machines, DVD, VCD, computer, TV, washing machine, range hood, refrigerator, video recorders, massage, fan, lighting and so on.
- Q:What are the methods of photovoltaic grid-connected inverter control
- and can set the dead time between the upper and lower arms, the use of INTEL 80C196MC to achieve sine wave output circuit, 80C196MC to complete the sine wave signal, AC output voltage, to achieve regulation. Circuit output generally use LC circuit filter high frequency wave, get pure sine wave.
- Q:PV grid-connected inverter and independent inverter in the control of what is the difference
- Photovoltaic grid-connected inverter is the assembly of the DC into AC power for the use of load, or do not use the load, the inverter after the AC power to the city power grid, when the electricity outage, the inverter will automatically
- Q:What is the PV inverter starting voltage
- Photovoltaic inverter, also known as power regulator, according to the inverter in the use of photovoltaic power generation system can be divided into two kinds of independent power supply and grid. According to the waveform modulation method can be divided into square wave inverter, stepped wave inverter, sine wave inverter and modular three-phase inverter. For the inverter for the grid system, depending on whether the transformer can be divided into transformer-type inverter and transformer-free inverter.
- Q:Photovoltaic grid-connected inverter problem
- The first zero line is the AC output. Any AC output of the inverter will have zero line, whether it is isolated or non-isolated. Isolation is the safety of high voltage inverters and regulators. 50KW above the inverter almost with the transformer.
- Q:After the PV inverter, how to achieve the same period before the network?
- It can automatically detect the generator and the grid frequency and voltage, in the frequency, voltage, phase are in line with the requirements of the grid to set the time before the release of the closing signal, so that it can be safely and securely connected.
- Q:Is the PV inverter a current source or a voltage source?
- For the inverter for the grid system, depending on whether the transformer can be divided into transformer-type inverter and transformer-free 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
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