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Inverters
UPS: When you need it and what tasks it solves.
Stay with the light.
So, let’s identify the main reasons why consumers start using UPS:
The need for independent operation of the equipment. It is primarily a question of long power outages. For example, most often in private homes, and today in apartments, installed boilers equipped with electronic control units and circulation pumps. They are consumers 1, in need of autonomous nutrition, which is especially important in the heating season.
Protection of sensitive electrical equipment. Uninterruptible power supply is not only a standalone power supply, but also a voltage protection, a source of pure sine wave.
Thus, a properly selected UPS allows you to solve the above tasks and has a variety of positive characteristics:
provides protection in automatic mode;
compensates for voltage deviation from the norm (220);
Switching to off-line mode requires a minimum of time;
possibility to work together with an electric generator or even a diesel generator (rarely for additional charging of batteries).
If disconnections in your region occur regularly and for a long time, the optimal choice will be the UPS-based power supply system and the generator that will provide battery charge in automatic mode
Let’s define the main characteristics to be taken into account when choosing a backup power supply:
Loading capacity. In order to choose the right UPS capacity for the whole house, you need to determine the total load and provide a stock of 20-30%. To convert the power of the uninterruptible into cotton wool we can multiply the passport value of the power of the device coefficient of 0.6-0.7.
Battery life. Depends on the capacity of the batteries to be connected.
Most often, an uninterruptible device per apartment is a device of small capacity: from 1 to 3 kVA. As a rule, UPS is used to protect engineering systems («smart home», boilers, alarm systems and video surveillance).
Uninterrupted power supply for the home can be:
1. Voltage Regulator - Voltage Surge Protection Device, which at unstable input voltage maintains the rated voltage at the output (220v/50hz).
2. Backup power supply - works from plug-in internal batteries or external batteries of different capacity.
There are several types of power supply connection:
in the municipal grid of general power supply with the help of panel installations (apartment, office, floor);
via an electric generator - automatic input of a reserve of a guaranteed power supply;
via inverter - uninterruptible power supply
Our comfort depends on electricity. Having lost electricity, you lose the means of comfort, leisure, tools and other, shall we say, pleasures of life, returning to the last century. And if the lack of electricity stops work in the office or in production, the business starts to lose profits or stops altogether. Many businessmen, as well as ordinary residents of Ukraine do not even try to get used to it somehow, using auxiliary means of independent power supply.
There are many options for getting electricity when the network is disconnected or removed from it. The most effective are fuel generators, which can produce significant amounts of electricity for a long time, but they are not always suitable.
Firstly, the price of a mobile power plant is not affordable for everyone, and secondly, it is not always possible to install and even transport/carry diesel or petrol station, including engine, alternator, tank, frame and other components.
Most often, a simple and compact inverter device is enough.
If this converter does not produce electricity, what does it need you to ask, and how will it help to get electricity for electrical equipment?
Next we will describe the principle of inverter operation and provide common examples of its application. You can buy an inverter personally, visiting any of our offices opened in Kiev, White Church, Nezhin and Frankivsk, where you can buy goods stable power supply at a great price.
Let’s start.If we consider this term from the point of view of industrial realities, the inverter is called a frequency inverter and serves to control the speed of rotation of the electric motor by changing the frequency and voltage. From the point of view of electrical engineering, in turn, the inverter is only one of the links of the above-mentioned frequency inverter and is responsible for converting DC to AC.
Inverters can be implemented using various circuits that define the main technical and operational characteristics of the instrument, most often the circuit on power IGBT-transistors using pulse width modulation. We will not write about this in detail, because the end user is important result, when the implementation does not matter.
What do you need an inverter for?
Everything is simple: to convert the energy removed from the DC battery to AC. You simply connect the terminals of the battery pack to the device, and that, in turn, will output the required 220V.
It should be immediately noted that for these purposes is best suited traction gel battery, with excellent cyclic life, multi-charging and tolerance to deep discharges, resistance to operation in adverse conditions. By the way, in our hypermarket of spare parts you can buy excellent gel batteries together with the inverter of interest to you in a few clicks with delivery throughout Ukraine.
Inverter application
In order not to write many redundant examples for what you need an inverter and where it is applied.
Inverter for heating boiler.
Heating is one of the most important criteria of comfort, and the heating boiler is one of the main electrical appliances of the house of many residents of Ukraine, so the devices of independent power supply are most often bought for it. In case of power outages, you simply throw the terminals of the inverter on the battery, and connect the boiler to its output, turn on - and that’s it! The inverter for the boiler, with the exception of a certain power, must meet one of the most important conditions, namely, to have an electric signal in the form of a pure sine wave. Models that emit a stepwise signal will work inefficiently and may not start the boiler at all or disable it, especially the pump that drives warm water through the pipes. A great example of an inverter for a boiler at an affordable price. 1000W Must Solar inverter charger. This converter has a high power with a permissible load of up to 1000W, which is an excellent indicator for providing autonomous power to the heating boiler.
Inverter for refrigeration equipment, freezers, refrigerators.
Refrigeration equipment is in many stores, in warehouses and in every apartment and house of Ukraine there is a refrigerator that provides a long shelf life of products. During long-term power outages, refrigerators will begin to defrost, which is desirable to avoid. For this perfect inverter for refrigeration equipment, freezers, refrigerators. The requirements for the inverter for the refrigerator are the same as for the boiler. Given the presence of a compressor in the design of the refrigerator, power supply with pure sine wave is a must. The inverter power for the refrigerator should start at one and a half kilowatts, although the figure may vary in both larger and smaller directions depending on the equipment model. For high power loading, we recommend using a pair of capacitive batteries or a battery pack.
Car Inverter.
There is a simple and affordable solution in the form of a car inverter. The automotive inverter does not require an output signal because the equipment usually connected in the trip does not require a large load and does not differ in sensitivity (for example, charging portable equipment). The main requirement is the presence of a special connector for connection to the cigarette lighter. Be sure to watch the level of battery charge in the car, if necessary, start the motor. So you have an improvised fuel generator.
All the above inverters had one important nuance of the work: they operate only manually.
Did you need an off-line power supply? Would you please throw the input terminals onto the battery and plug the inverter. After operation, the battery should be charged.
There is a separate group of inverters that do not require human intervention and work automatically, being an excellent option for power supply of groups of consumers of different types.
Offline Inverters
These inverters are radically different from the conventional ones discussed earlier. The stand-alone inverter is a complete solution and consists of functional units, the joint operation of which provides full automation. The inverter has input terminals, output terminals and battery terminals. No sockets. This means that the device is installed stationary, connects to the network and waits for commissioning. When the network is working normally, this inverter is in standby mode and, if necessary, replenishes the battery charge with a built-in charger that supports the correct three-stage technology. Power to the consumer comes from the network in transit mode. When the voltage drops below 150V, the inverter automatically disconnects the consumer from the network and switches it into the converter circuit, powered by a 12-24V battery pack, which can consist of two 12-volt batteries connected in series, or one of the 24 volts. depending on your preferences. The converter output produces 220V pure sinusoidal shape suitable for the operation of consumers of any degree of sensitivity. The inverter is in this mode of operation until the network settings resume. Switching between modes is so fast that the electrical equipment will not feel it. Thus, stand-alone inverters can be used to provide protection and autonomous operation to different consumers, while allowing for uninterrupted operation at the time of power outage.
This principle of operation, inherent in autonomous inverters, called off-line.We considered different options of inverters and their scope of application, and realized that it is possible to choose an inverter for almost any consumers, where the load capacity varies from several hundred watts to more than five kilowatts. It is only important to responsibly choose the appropriate model and take care of the power supply, that is, the battery. We offer high-quality inverters and battery for them, which can be purchased on our website or offices in Kiev, Nezhin, White Church and Ivano-Frankivsk region with fast delivery to any city in Ukraine. If you have any questions about choosing an inverter, please contact our specialists.
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