Best Pure Sine Wave Inverter in Sri Lanka 2023
Best Pure Sine Wave Inverter in Sri Lanka 2023
Lento uses pure sine wave technology in their inverters, UPS and power supplies. The Sine wave inverters output stable frequency and voltage, mimicking mains power supply, making it perfectly suitable to power expensive equipment, especially inductive loads that do not work well on square waves.
Looking for the best pure sine wave inverter in Sri Lanka or best pure sine wave inverter for home? Then this article is for you. Read on!
What is a Sine Wave Inverter?
Sine wave inverters are a type of power inverter that generates an output voltage waveform comparable to that of grid-connected AC power sources. This type of inverter is commonly employed in power systems where sensitive equipment or loads demand a high-quality, sinusoidal waveform.
How does a sine wave inverter work?
A sine wave inverter's fundamental operation is straightforward. The inverter transforms DC input voltage from a battery or other power source into AC output voltage. This output voltage is then routed via a transformer to boost the voltage before being delivered to the load.
To maintain a smooth, sinusoidal waveform, the inverter continually analyses the input voltage and changes the output frequency and amplitude. This guarantees that the output voltage is of the greatest quality and may be used with sensitive equipment.
Microwaves, motors, and some medical equipment require a clean AC signal, hence the sine wave is required.
Why use a pure sine wave inverter?
- The output waveform is a sine wave with very low harmonic distortion and clean power, similar to that provided by a utility—essential for your expensive equipment.
- Inductive loads, such as microwaves and motors, operate more quickly, quietly, and efficiently.
- Pure sine-wave technology reduces both audible and electrical noise in fans, fluorescent lights, audio amplifiers, televisions, fax machines, and answering machines. It prevents computer crashes, strange printouts, and monitor glitches.
Types of Sine Wave Inverters –
Sine wave inverters are classified into two types: Pure Sine Wave Invertersand Modified Sine Wave Inverters. Pure sine wave inverters generate a highly clean, pure alternating current signal, whereas modified sine wave inverters are less costly but create a somewhat less clean signal. Modified sine wave inverters are often the least costly sine wave inverters since they generate the easiest sort of sine wave. Their polarity rapidly shifts from positive to negative, resulting in a waveform that resembles a square wave rather than the rounded arc seen with pure sine inverters.This allows most appliances to still be connected to the inverter without risk of overheating. It is used for simple appliances as there are lots of equipment that it cannot support.
However, if your priority lies in ensuring that your appliances are absolutely safe, the most secure way of ensuring the same is to invest in a pure sine wave inverter. This kind of inverter is preferred by those who want the benefits of a sine wave inverter, but money is a concern.
Devices that require pure sine wave inverters include:
- Appliances with AC motors, such as refrigerators, compressors or microwaves.
- Audio equipment, video equipment, satellite systems, and microwave towers.
- Other devices that use the same type of technology include bread makers, certain battery chargers, and light dimmers.
- Many CPAP devices for sleep apnea and oxygen concentrators that require a power source.
Best Pure Sine Wave Inverters InSri Lanka 2023 –
- LENTO - If you are looking to buy an efficient, compatible and long-life pure sine wave inverter, then turn to Lento. We use pure sine wave technology in our inverters, UPS and power supplies. The Sine wave inverters output stable frequency and voltage, mimicking mains power supply, making it perfectly suitable to power expensive equipment, especially inductive loads that do not work well on square waves.
Product name: LKVA Sine Wave Inverter- Can be used for- Power Back-up for Household as well as the computer, Small shops, Small offices etc. Small Water pumps and all motor-based small applications TV Sets, Fans, Tube Lights, computers etc.
Available Variants:
Product Name - HKVA Static and UPS inverter- Most appliances like CFL, fans, motor-based equipment like air conditioners and pump sets are designed to work on 50 Hz sine waves. Running such types of equipment on unregulated quasi sine wave-square wave-based inverters poses a risk as regards performance and durability. Lento DSP sine wave Static UPS and inverters are designed to provide stable 50 Hz sine wave irrespective of load and battery voltage, making them the most suitable for inductive, capacitive and non-resistive loads. Importantly, our inverters and UPS are designed to deliver instantaneous high current during start-up, especially in the case of air conditioners and refrigerators, with safety cut out when battery voltage goes lower than a specified point to avoid brownouts and burning of motors.
Available Variants:
Product Name – DSP Sine Wave 3 Phase Inverter & ALBS Series - Lento DSP sine wave online UPS feature a wealth of advance features. Designed for use with expensive critical electronics instrumentation, these UPS systems have a host of safety controls to ensure your devices are always protected. Lento DSP online UPS performs very well in case of mains failure, sensing of voltage fluctuations and automatic switchover, lighting guard, electrostatic protection, overvoltage and overload protection, short circuit protection and low battery protection. Lento DSP UPS are configured to be always active when power fails. At the same time, the batteries are kept constantly charged through a monitoring circuit to ensure their longevity. DSP sine wave online UPS are preferred especially when they are Lento with guaranteed frequency and voltage control along with inbuilt protection features.
Lento low-frequency series online UPS meets critical industry standards with its state of art digital intelligence online UPS technologies with the best power factor rating and consistently reliable performance day in and day out.
Available Variants:
Frequently Asked Questions-
- Which is good UPS For Home?
Best UPS Inverters for Home Use
- Lento HKVA Static UPS and Inverter
2. Which inverter is the best for home use?
3. What is the benefit of a pure sine wave inverter?
Pure sine wave reduces audible and electrical noise in fans, fluorescent lights, audio amplifiers, TV, fax, and answering machines. It prevents crashes in computers, weird print outs and glitches in computer monitors.
4. Which is the best pure sine wave inverter in Sri Lanka?
- Lento inverter
5. What is “C rating” of batteries?
The battery C Rating is the measurement of current in which a battery is charged and discharged at. The capacity of a battery is generally rated and labelled at the 1C Rate (1C current); this means a fully charged battery with a capacity of 10Ah should be able to provide 10 Amps for one hour.
6. Do you really need a pure sine wave inverter?
Pure sine wave is always needed for a grid tie system. It is generally needed for newer LED TVs, CFL light bulbs, and inductive loads like brushless motors. Clocks and audio equipment will behave much better on a
pure sine wave.
7. What devices need a pure sine wave inverter?
Some devices and appliances that require a pure sine inverter are:
- Microwaves.
- Laser printers.
- Variable speed tools.
- Cordless tool battery chargers.
- Some TVs.
- Key Machines.
- CPAP machines with humidifiers.
- Medical equipment.
8. Which company is better for inverter?
Lento invertersuses pure sine wave technology in their inverters, UPS and power supplies. The Sine wave inverters output stable frequency and voltage, mimicking mains power supply, making it perfectly suitable to power expensive equipment, especially inductive loads that do not work well on square waves.
9. Is pure sine wave inverter worth it?
If your electronics don't fall into either of those two categories, then it's extremely unlikely that a modified sine wave inverter will do any damage. While a pure sine wave inverter is safe for use with a wider range of devices, the greater cost associated with pure sine wave inverters isn't always worth it.
10. What is a pure sine wave inverter?
A pure sine wave inverter is a device that converts direct current (DC) such as what's produced by a solar system or RV batteries, to usable alternating current (AC) that most appliances use.
11. Can you run a fridge on a pure sine wave inverter?
Appliances like refrigerators, microwaves, and compressors that use AC motors won't run as efficiently on a modified sine wave as they would on a pure sine wave. In some cases, running an AC motor on a modified sine wave may lead to a buildup of excess waste heat that could damage the equipment.
12. Which is better modified sine wave or pure sine wave?
Modified sine wave inverters still make a viable option if you have limited, simple appliances to power. However, if you want to ensure your home appliances and devices run safely, effectively and at the highest efficiency, we recommend opting for a pure sine wave inverter.