• Low Frequency Power Inverter CE Approved New Function PV 2000 1200VA/700W System 1
  • Low Frequency Power Inverter CE Approved New Function PV 2000 1200VA/700W System 2
  • Low Frequency Power Inverter CE Approved New Function PV 2000 1200VA/700W System 3
Low Frequency Power Inverter CE Approved New Function PV 2000 1200VA/700W

Low Frequency Power Inverter CE Approved New Function PV 2000 1200VA/700W

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Pure sine wave solar inverter inbuilt with 30A solar charge controller
.Inbuilt with AVR function
.Solar first, high efficiency use of energy , Automatically charge from Grid power when insufficient PV Power
.Full protections for battery and inverter
.Suitable for home , different color options
.Controller efficiency max 90%

MODELPV20-500PV20-1200PV20-2000
Default Battery System Voltage12VDC12VDC24VDC
INVERTER OUTPUTRated Power500VA/300W1200VA/700W2000VA/1200W
Surge Rating (20ms)900W2100W3600W
WaveformPure sine wave
Nominal Output Voltage RMS220VAC(+/-10% RMS)
Output Frequency50Hz/60Hz +/-1 Hz
Inverter Efficiency(Peak)>80%
Line Mode Efficiency>95%
Typical Transfer TimeTypical 2~6ms 10ms(max)
AC INPUTVoltage220VAC
Selectable Voltage Range 140~275VAC(For Personal Computers) 
Frequency Range50HZ/60HZ (Auto sensing 47~65Hz)
BATTERYMinimum Start Voltage10.5VDC21.0VDC
Low Battery Slarm10.5VDC+/-0.3V 21.0VDC+/-0.6V 
Low Battery Cutoff10.0VDC+/-0.3V 20.0VDC+/-0.6V 
High Voltage Alarm15.5VDC+/-0.3V 31.0VDC+/-0.6V 
High Battery Voltage Recover15.0VDC+/-0.3V 30.0VDC+/-0.6V 
CHARGERCharger Voltage14.0±0.2V28.0V±0.2V
Overcharge Protection S.D.15.5VDC31.0VDC
Maximum Charge Current10A MAX
BYPASS & PROTECTIONInput Voltage WaveformSine wave
Nominal Input Frequency50Hz or 60Hz
Low Freq Trip47+/-0.3Hz for 50Hz; 57+/-0.3Hz for 60Hz
High Freq Trip55+/-0.3Hz for 50Hz; 65+/-0.3Hz for 60Hz
Overload Protection (SMPS Load)Load>110%  R Load fault after 60S
Output Short Circuit ProtectionAC FUSE  Protection
Bypass Breaker Rating10A
Max Bypass Current10Amp
SOLAR CHARGERMaximum PV Charge Current30A
DC Voltage12V/24V atuo work
Maximum PV Array Power150W*3 solar panels150W*4 solar panels
MPPT Range @ Operating Voltage16~55VDC
Maximum PV Array Open Circuit Voltage55VDC
Maximum Efficiency>95%
Standby Power Consumption<2W
MECHANICAL SPECIFICATIONSMountingWall mount
Dimensions (W*H*D)301*328*132mm
Net Weight (Solar CHG) kg6.86KG8.92KG10.25KG
Shipping Dimensions(W*H*D)325*391*187mm
Shipping Weight (Solar CHG) kg7.54KG9.6KG10.93KG
OTHEROperating   Environment 0°C~40°C 0~90% relative humidity (non-condensing)
Noise  Level Less than 60dB
DisplayLED+LCD
Standard Warranty1 year

Low Frequency Power Inverter CE Approved New Function PV 2000 1200VA/700W

Low Frequency Power Inverter CE Approved New Function PV 2000 1200VA/700W

Low Frequency Power Inverter CE Approved New Function PV 2000 1200VA/700W

Warrenty

provides a 13 year limited warranty (“Warranty”) against defects in materials and workmanship for its Uninterruptible power supply, Power inverter/chargers, Solar charge controllers, Battery Products (“Product”).

The term of this Warranty begins on the Product(s) initial purchase date, or the date of receipt of the Product(s) by the end user, whichever is later. This must be indicated on the invoice, bill of sale, and/or warranty registration card submitted to MUST-Solar. This Warranty applies to the original MUST-Solar Product purchaser, and is transferable only if the Product remains installed in the original use location.

 

FAQ

1.   How do I decide which system is right for me ?

For protection from long outages, include a generator or solar panels in your Must solar system. Shorter outages can be handled by a battery-only system.

2.    Where my system will be installed ?

Must solar systems are usually wall-mounted near a home's main electrical (circuit breaker) panel.

3. How do I install my system ?

A must solar backup inverter is connected to a home electric system , we will supply detailed installation manual and videos for our customers .

Q:Photovoltaic grid-connected inverter without DC emc how will happen
When solar or other light illuminates the PN junction of the semiconductor, a voltage (called a photogenerated voltage) occurs on both sides of the PN junction. This phenomenon is the famous photovoltaic effect.
Q:How does a solar inverter handle power export limitations imposed by the grid?
A solar inverter handles power export limitations imposed by the grid through a process called power factor control. The inverter continuously monitors the grid's voltage and frequency, adjusting its power output accordingly. If the grid imposes limitations on power export, the inverter reduces its output to stay within the allowed limits. This ensures that the solar system operates in compliance with the grid regulations and prevents any excess power from flowing back into the grid.
Q:How does a solar inverter handle voltage and frequency variations caused by grid faults?
A solar inverter handles voltage and frequency variations caused by grid faults through its built-in protective mechanisms and control algorithms. When a grid fault occurs, such as a voltage dip or frequency deviation, the inverter quickly detects the change and adjusts its output accordingly. It regulates the voltage and frequency of the energy it feeds into the grid, ensuring it remains within the acceptable limits even during grid faults. This helps to safeguard the stability and integrity of the grid system and prevents any potential damage to the inverter or connected devices.
Q:How do you connect a solar inverter to the electrical grid?
To connect a solar inverter to the electrical grid, you typically follow these steps: 1. Install the solar panels: First, mount the solar panels on the roof or another suitable location to capture sunlight and generate DC (direct current) electricity. 2. Connect the solar panels to the inverter: Use appropriate wiring and connectors to connect the DC output of the solar panels to the input terminals of the solar inverter. 3. Install a suitable breaker: Install a dedicated circuit breaker between the inverter and the electrical panel to protect against electrical faults and overloads. 4. Connect the inverter to the electrical panel: Use appropriate wiring and connectors to connect the AC (alternating current) output of the inverter to the electrical panel. 5. Obtain necessary permits and inspections: Check with your local authorities to ensure compliance with regulations and obtain any required permits. Arrange for inspections to ensure the installation meets safety standards. 6. Activate the inverter: Follow the manufacturer's instructions to activate and configure the inverter according to your system specifications. 7. Connect to the electrical grid: If permitted in your area, arrange for a licensed electrician or utility company to connect the inverter to the electrical grid. This step may involve installing a bi-directional meter and completing paperwork. Once connected, the solar inverter converts the DC electricity generated by the solar panels into AC electricity suitable for use in your home or to feed excess power back into the grid.
Q:What is the role of a solar inverter in voltage and frequency regulation during grid disturbances?
Maintaining the stability and reliability of the electrical grid heavily depends on the crucial role of a solar inverter in voltage and frequency regulation during grid disturbances. To regulate and stabilize the electrical parameters, the solar inverter acts as a control device during grid disturbances like voltage fluctuations or frequency deviations. Regarding voltage regulation, the solar inverter constantly monitors the grid's voltage level and adjusts its output accordingly. It decreases its output if the grid voltage increases to avoid overvoltage conditions. Conversely, if the grid voltage decreases, the inverter increases its output to compensate and maintain a stable voltage level. This regulation guarantees that the solar inverter's voltage aligns with the grid's requirements, preventing harm to electrical equipment and ensuring the grid's safe operation. Similarly, the solar inverter also contributes to frequency regulation during grid disturbances. It continuously monitors the grid's frequency and adjusts its output frequency to match it. If the grid frequency deviates from the standard frequency, the inverter modifies its output frequency to bring it back to the desired level. This frequency regulation is vital to keep various electrical devices connected to the grid synchronized, preventing equipment damage, and ensuring the grid's stability. In summary, the solar inverter's role in voltage and frequency regulation during grid disturbances is to provide stability and reliability to the electrical grid. It acts as a control device that constantly monitors and adjusts its output to maintain the desired voltage and frequency levels. This ensures the prevention of potential damage to electrical equipment and guarantees the smooth operation of the grid.
Q:Can a solar inverter be used with a hybrid solar system?
Yes, a solar inverter can be used with a hybrid solar system. A hybrid solar system combines both solar power and battery storage, allowing for the utilization of solar energy during the day and stored energy during the night or periods of low sunlight. The solar inverter is responsible for converting the direct current (DC) electricity produced by the solar panels into alternating current (AC) electricity that can be used to power household appliances and be fed into the electrical grid. Therefore, a solar inverter plays a crucial role in ensuring the efficient functioning of a hybrid solar system.
Q:How does a solar inverter handle grid islanding conditions?
A solar inverter handles grid islanding conditions by continuously monitoring the grid voltage and frequency. If it detects a deviation from the predefined range, it immediately disconnects from the grid to prevent energy feedback and potential damage. This ensures the safety of workers repairing the grid and protects the solar system from potential overvoltage or frequency-related issues.
Q:How does a solar inverter handle electromagnetic interference (EMI)?
A solar inverter handles electromagnetic interference (EMI) by implementing various measures to mitigate and minimize its impact. These measures include using proper shielding techniques, filtering the input and output signals, and complying with relevant EMI standards and regulations. Additionally, advanced digital signal processing techniques may be employed to suppress any EMI-induced noise and ensure the efficient conversion of solar energy into usable electricity.
Q:What is the role of reactive power control in a solar inverter?
The role of reactive power control in a solar inverter is to manage and regulate the flow of reactive power in the electrical system. It helps to maintain a stable voltage level, improve power factor, and ensure efficient operation of the solar inverter. By controlling reactive power, the inverter can mitigate voltage fluctuations and provide optimal power quality, making the system more reliable and compliant with grid requirements.
Q:How long does a solar inverter last?
A solar inverter typically has a lifespan of around 10 to 15 years, although this can vary depending on various factors such as the quality of the inverter, its usage, and maintenance.

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