What’s Pure Sinewave in inverter/UPS is very important to understand. This waveform is generated when the inverter/UPS works on the battery mode Pure Sinewave or modified Sinewave, or Squarewave decides the Pure Sinewave inverter/UPS. Any waveform other than Pure Sinewave created is an inferior quality inverter/UPS compared to pure Sinewave inverter/UPS. People try to make […]
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What is an Isolation transformer and its importance in Storage Solutions? Domestic and industrial users face severe power shortages in most parts of the world. In that scenario, they have no other option but to seek help from power backup technologies such as UPS (Uninterrupted Power Supply) and battery inverters/Solar Inverter/Solar PCU/Lift Inverter/Lift UPS/Industrial Inverter/Energy […]
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What’s Pure Sinewave in inverter/UPS is very important to understand. This waveform is generated when the inverter/UPS works on the battery mode Pure Sinewave or modified Sinewave, or Squarewave decides the Pure Sinewave inverter/UPS. Any waveform other than Pure Sinewave created is an inferior quality inverter/UPS compared to pure Sinewave inverter/UPS. People try to make […]
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What is an Isolation transformer and its importance in Storage Solutions? Domestic and industrial users face severe power shortages in most parts of the world. In that scenario, they have no other option but to seek help from power backup technologies such as UPS (Uninterrupted Power Supply) and battery inverters/Solar Inverter/Solar PCU/Lift Inverter/Lift UPS/Industrial Inverter/Energy […]
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What’s Pure Sinewave in inverter/UPS is very important to understand. This waveform is generated when the inverter/UPS works on the battery mode Pure Sinewave or modified Sinewave, or Squarewave decides the Pure Sinewave inverter/UPS. Any waveform other than Pure Sinewave created is an inferior quality inverter/UPS compared to pure Sinewave inverter/UPS. People try to make fools in the market by taking different names of waveforms like modified, square wave inverter/UPS. All these waveforms will harm the appliances nd create humming noise, especially in fans and motors.
Frequent power cuts can disrupt your work and life. However, you cannot let it happen for long. Therefore, using power backup technologies such as inverter/UPS is becoming widespread to ensure an uninterrupted power supply.https://en.wikipedia.org/wiki/Power_inverter
But the right inverter/UPS technology and the power quality you get through them is an important consideration. One of the factors that can impact the quality of power from inverter/UPS is their waveform.
How are pure Sine wave inverters/UPS superior to square wave inverters/UPS?
Traditionally, power backup sources have offered square wave output to power devices without grid power. But inverter/UPS with this waveform provide fluctuating power, which is unsuitable for operating all kinds of devices in the domestic and commercial setup. People also complain about annoying buzzing sounds and overheating of their appliances (refrigerators, ovens, washing machines, etc.) when connected with a square wave inverter/UPS.
On the contrary, pure sine wave technology provides a clean, smooth, and regulated power supply similar to or superior in quality to grid power.
Before looking at the benefits of pure sine wave technology, let’s look at the main difference between pure sine wave vs square wave inverter/UPS.
Differences between pure sine-wave and square-wave technology
Three major differences exist between a pure sine wave and square wave technology.
Inverter/UPS cost
Efficiency in running the connected appliances
Waveform
Inverter/UPS cost
Square wave inverters/UPS are based on older technology and are simpler to manufacture. Pure sine-wave inverters/UPS are based on new technology and have more components; therefore, they are a little expensive.
Efficiency
Square wave technology produces choppy power, whereas the power output of a pure sine wave inverter/UPS mimics the grid-power quality. Therefore, the efficiency of a pure sine wave inverter/UPS to run the appliances is much higher.
Waveform
A square wave inverter/UPS waveform mimics a square. On the contrary, a pure sine save is a continuous wave with smooth repetitive oscillation.
The one-time cost of a pure sine wave inverter/UPS is indeed higher than other inverters/UPS types, but if you deliberate on its long-term benefits, a pure sine wave inverter/UPS is a much better choice.
Below we describe the benefits of pure sine wave technology and why it is a superior choice over square wave inverter/UPS.
Extended power backup
An inefficient power backup system such as a square wave inverter/UPS increases your electricity bill due to power losses and the need for frequent recharging. Devices plugged into a square wave inverter/UPS run at less than full capacity and use approximately 30% more power.
Conversely, a pure sine wave inverter/UPS minimizes power losses. It efficiently converts stored DC power into AC power for your appliance. As a result, you can use the power backup for an extended time.
Reduces harmonic distortion
Another benefit of using a pure sine-wave inverter/UPS UPS system is that it reduces harmonic distortion by providing clean power to your appliances.
In fact, if your equipment, such as fans, audio amplifiers, etc., are noisy and provide below-par performance, you can optimize their performance and reduce the noises by connecting them to an inverter/UPS with pure sine-wave technology.
If you have a square wave inverter/UPS, get ready to experience annoying buzzing and humming sounds from appliances such as fans, fluorescent lights, etc.
Pure Sinewave picture
Saves sensitive appliances from damage
The changeover is very smooth in the case of pure sine wave technology. The voltage rises from zero and reaches the peak point without any fluctuation. It drops gradually again, instantaneously changes the polarity, and effortlessly crosses the zero voltage level. This smooth rise and fall in the voltage levels do not let anything happen to even the most sensitive appliances. Some appliances, such as laser and motor-driven printers and medical equipment, run properly only with power from a pure sine wave power source.
On the contrary, when you have a square wave inverter/UPS, the voltage fluctuations and the changeover or switching time are dangerously high. Therefore, you can’t save your appliances from malfunctioning.
Better performance
Connecting your appliances with a pure sine wave inverter/UPS helps them display better performance.
The inductive load, such as motors, runs faster and cooler; the microwave oven cooks food more rapidly; fans, fluorescent lights, and LEDs glow brighter; refrigerators, TV, fax, and answering machines do not produce weird electrical noise.
On the contrary, when your appliances are connected to a square wave inverter/UPS, you may experience the following issue.
LED bulbs get fused frequently
Smoke comes out from your fans after running for a long time
Fire breaks out in your house wiring due to heat generation by unclean power coming from a square wave inverter/UPS
Appliances such as oxygen concentrators will not work
Refrigerators, washing machines, and other expensive appliances may stop working after working for more than 300 hours on Inverter/UPS on square wave/trapezoidal waveform
Provides high-quality grid-like power
As your appliances run on the AC supply from the grid efficiently, the backup source must also provide the same or better quality power output. Pure sine wave inverter/UPS provides you with high-quality clean power. It helps run your appliances according to the manufacturer’s specifications. But, the same cannot be said for square wave inverters/UPS due to their jerky and less efficient power output.
Quick charging
A pure sine-wave inverter/UPS charges much faster than other types of inverter/UPS. This feature is especially beneficial when you live in an area with more frequent and prolonged power cuts. Also, in the case of commercial use, faster recharge ensures that elevators and lifts always function at their full capacity and that lifesaving equipment in hospitals is always available for patients without interruption.
Extend the life of your appliances.
With pure sine wave technology, your appliances get the right amount of power and do not face sudden changeovers or fluctuations in power supply; they work better and for an extended period.
But if your devices are connected with a square wave inverter/UPS, you cannot prevent your systems from sudden crashes and malfunctions.
So, for anyone using laptops, desktops, and other digital equipment, a square wave inverter/UPS is a death sentence for their expensive machines.
Takeaway
You might have gathered that investing in a pure sine wave inverter/UPS makes more sense, regardless of its higher cost. Unlike a square wave inverter/UPS, it is more efficient and improves the working and lifespan of your appliances.
A square wave inverter/UPS is also less reliable and unsafe for the appliances. So, bringing home a square wave inverter/UPS is never wise, even if the initial low cost entices you. You will ultimately pay more by repairing and replacing burnt and malfunctioning appliances.
A pure sine wave inverter/UPS made by leading manufacturers such as the Su-Vastika guarantees you never experience the annoying harmonics from your appliances. Plus, you always receive clean, stable power that does not harm your delicate devices.
Moreover, Su-Vastika’s heavy-duty pure sine wave inverter/UPS systems are suitable for powering everything—from lights and fans to air conditioners, elevators, and lifts.
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What is an Isolation transformer and its importance in Storage Solutions? Domestic and industrial users face severe power shortages in most parts of the world. In that scenario, they have no other option but to seek help from power backup technologies such as UPS (Uninterrupted Power Supply) and battery inverters/Solar Inverter/Solar PCU/Lift Inverter/Lift UPS/Industrial Inverter/Energy Storage Solutions/ERD etc.
Over the years, inverter/UPS technology has undergone multiple development phases. What you find today is much more efficient and of higher quality than was available a few years ago. One such improvement is the addition of isolation transformers to the UPS/inverters/lift inverters/Battery ESS/Solar hybrid PCU etc.
What is an isolation transformer?
Isolation, also called galvanic isolation, implies that no direct path exists for the current to flow from the source to the load. An isolation transformer provides isolation between the electrical devices and the source powering these devices. In other words, the output power circuit is electrically and physically isolated from the input power circuit with an isolation transformer. As a result, the isolation transformer provides safety to the users and the appliances.https://en.wikipedia.org/wiki/Isolation_transformer
Apart from isolation transformers, other types of transformers include Inverter duty transformers, Instrument transformers, and Inverter transformers or electronic transformers. However, this article focuses on isolation transformers, their benefits, and why they should be used in an inverter/UPS/Lift inverters/Battery ESS/Solar Hybrid PCU etc.
Why should you use an isolation or galvanic transformer in a UPS/inverter system?
As a standard practice, having the right power solutions to power your domestic appliances or perform industrial operations is essential. In this regard, a UPS/inverter is gaining popularity due to its ability to provide efficient, high-quality, and safe power solutions under imperfect power situations. However, we can further improve the working of a UPS/inverter system by embedding it with an isolation transformer. Here is why it is essential to have ups with an isolation transformer.
Isolation transformer circuit
Isolation/Galvanic transformer
Protect the equipment
Like any other transformer, an isolation transformer can also be developed as a step-up or step-down transformer to spike up or down the voltage. The galvanic isolation protects the equipment from unnecessary damage by detaching them from the powering alternating current.
The safety mechanism of an isolation transformer becomes more pronounced when there are unpredictable altered voltage disturbances. In such a situation, an isolation transformer separates the load from the circuit, thereby saving the appliances to your UPS/inverter supply current. Thus, all the sensitive equipment in your office or home will continue working without any data, operational, or financial loss.
Bestows robustness
UPS/inverters systems having isolation transformers are more flexible, efficient, and robust. Several equipment and appliances, such as computers and sensitive instruments, work better when your UPS/inverter has an isolation or galvanic transformer. This is why there is a greater demand for isolation transformers in UPS/inverter systems.https://suvastika.com/high-vs-low-frequency-inverters-ups-comparison/
Faultless voltage conversions
USP/inverters are used to power various appliances and equipment, but not all devices have the same voltage requirement. So, it is possible for the output voltage to not align with the voltage requirements of an appliance.
Voltage conversion is needed when the output voltage is more or less than the required voltage. Here comes the need for an isolation transformer. It will increase or decrease the output voltage to match the appliance requirement.
Safety against shocks
UPS/inverter systems provide high-frequency power to the equipment. However, equipment often lacks ground safety potential, leading to shocks and electrocution. In the presence of an isolation transformer, such damages can be avoided with the isolated safety mechanism. Even the equipment without ground safety gets sufficient protection.
Ensure the safety of sensitive Appliances.
An isolation or galvanic transformer is indispensable for the UPS/inverter systems providing a backup supply to sensitive equipment such as heart monitors and other equipment in the hospital that must be running all the time.
Safe and easier maintenance
Servicing and maintaining an isolation transformer-based UPS/inverter system is much safer and easier as it provides safety against electrocution. Hence, the technicians can work on and test them without the fear of getting an electric shock.
Reduce fault current supply.
Fault currents and power issues are common occurrences. However, an isolation transformer can minimize its effects by using Faraday shields. And you always get an adequate and perfect power supply from your UPS, ensuring that all the appliances work properly.
Harmonics management
Noises and harmonics variations are not unheard-of in power supply. When the UPS provides output current at various frequencies, facing noise disturbances is possible. As a result, the end-use power quality is affected. You must note that noise disturbances refer to electric and magnetic field disturbances, not sound disturbances. These noise disturbances can significantly impact the reliability of sensitive equipment such as those used in the medical field. Using a UPS/System with an isolation transformer is hailed for its ability to reduce noise disturbances.https://en.wikipedia.org/wiki/Galvanic_isolation
Isolated vs. non-isolated transformer
An isolated transformer separates the circuit from the AC line. It is earthed, housed at a safe location, and connected to a power supply through a short earthed connection. As a result, if the user comes in contact with any part of the electrical circuit, the current does not find any return path through the user, thereby reducing the electrocution hazard.
You can use the connected appliances in wet, damp, indoor, and outdoor situations without any risk of electrocution, even when the connected tool or device is not earthed.
The case of a non-isolated transformer is quite the opposite. The circuit is not shielded from the AC line; hence electrocution is possible.
Benefits:
Isolation transformers offer several benefits when used in conjunction with Inverters,Uninterruptible power supplies (UPS), Lift Inverter, Online UPS, Solar PCU, Solar Inverter and lithium Inverters
Enhanced Safety: A key advantage is improved safety. The transformer creates a physical separation between the utility power input and the equipment connected to the UPS output. This isolation eliminates the risk of shock from ground faults that might occur on the utility side.
Improved Power Quality: Isolation transformers can help to reduce electrical noise and transients on the power line. This ensures cleaner and more stable power reaches the sensitive equipment protected by the UPS.
Ground Loop Mitigation: Ground loops arise from minute voltage differences between grounding points in a system. Isolation transformers help to eliminate these ground loops, preventing issues like hum or interference in sensitive electronic devices.
Surge Suppression: In some cases, isolation transformers can provide some degree of surge suppression, offering additional protection against transient voltage spikes.
Configurable Voltage Output: While isolation is the primary function, some transformers can also be designed to step up or step down voltage levels to meet the specific needs of the equipment being powered by the UPS.
Overall, isolation transformers contribute to a more robust and reliable UPS system, safeguarding equipment and ensuring optimal performance.
Conclusion
What is an Isolation transformer and its importance in Storage Solutions is very well explained in this article. An isolation transformer makes working with AC-powered equipment much safer. Embedding an isolation transformer in your UPS/inverter/Lift Inverter/Battery Energy Storage systems/Solar hybrid PCU system makes it a more efficient and safer option for powering sensitive instruments in domestic and industrial settings. Now that you know the immense advantages of an isolation transformer-based UPS/inverter, always consider this technology and buy the UPS from a trusted isolation transformer manufacturer such as Su-vastika. The company has been developing reliable heavy-duty inverters/UPS with isolation transformers for various domestic and industrial applications.
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Su-vastika
