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Introduction
SANDI SDP series Low Frequency Off Grid Pure Sine Wave Inverters is one of the most advanced DC to AC conversion products in
the world. It is widely used for solar energy, wind turbine and other renewable energy systems, also suitable use in the
mountains, pastoral, border, island, vehicles, ships and other areas without electricity which can provide and guarantee
effective power supply. It has the main advantages of high quality sine wave AC output, microcomputer control, humanness
design, high efficiency, low no-load loss and no pollution. The inverter can also supply AC power to all kinds of electric
equipment, air conditioners, electric motors, refrigerators, fluorescent lights, televisions, electric fans and other
industrial power supply.
Technical Features:
Our company combine user’s actual usage, specially designed this new low frequency off grid inverter, which is characterized
by stable and reliable performance, set up parameters flexibly. It can meet different user’s different requirements, the
characteristics as following:
Using the fifth generation efficient IPM intelligent module from Japanese Mitsubishi, more stable and reliable. It with
powerful protection function, the protection for short circuit, over load and over temperature which is more safe and
reliable. It’s service life can up to 15-20 years or more.
Intelligentized, modularized and simple structure design, very easy and convenient for maintenance.
Two kinds of start mode: Step Down Voltage Start and Variable Frequency Start. Step Down Voltage Start is suitable for load
with little inrush current(like resistive load, such as lamp). Variable Frequency Start is suitable for inductive load with
big instant inrush current(such as motor), inverter’s power not need enlarge too many times when take motor induction load.
This function is very convenient for users and also reduce frequency converter’s usage, which reduced the cost of equipment
investment, easy to connect wires and control.
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Pure Sine Wave Inverters
