Compatibility of generator and voltage stabilizer.
It will not be news to anyone that electric generators are one of the main sources of backup power supply in case of interruptions or lack of voltage supply in the power grid. Temporary provision of electricity is their main task. Starting of electric generators is carried out manually, or automatically using the automatic transfer unit “AVR”. When using a generator with manual start, the owner of the generating station must start the generator himself manually or with a key or button (if the generator has an electric starter system). This creates certain inconveniences in using the power plant, if the power plant is located in another room or at a certain distance.
It will still be more comfortable and efficient to use generating stations with automatic start, which will allow the system to operate completely autonomously, without human presence. The automatic start system will independently start the electric generator and timely necessary shutdown of the generator when power is supplied to the industrial network. The automatic generator start system autonomously analyzes the network voltage parameters, i.e. when the mains voltage goes beyond the operating range or during a power outage, the automatic power generator will automatically disconnect the consumers connected to the circuit from the external power grid, start the generating station and supply electricity from it. As soon as the voltage in the external network appears or enters acceptable limits, the automation system will switch the connected consumers to the external network and shut down the generating station.
During the operation of power plants with an automatic transfer system, a situation may arise when the automation will try to switch to supplying electricity from a backup source (generator), while voltage is still supplied to the external network. This situation is possible if there is voltage in the electrical network, but with a value outside the permissible limits (range). As a rule, this happens at very low voltage. The automation of electric generators is triggered by voltage surges below 195V and above 235V.
It is in this situation that we strongly recommend that you use the generator station “in one circuit” with a voltage stabilizer. In this case, it will be possible to avoid unnecessary and unnecessary starts of the power plant. This combination of stabilizer and generator will help correct the voltage situation in the industrial network. If there is a voltage in the network that is outside the permissible operating range of the generator automation, the stabilizer will correctly adjust it to a stable 220V (or 380V in the case of a three-phase network) with fairly high accuracy (will depend on the type of voltage stabilizer). As a result, this will allow the generator automation to operate stably at normal voltage, without unnecessary and unnecessary operations.
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RUB 70,400 BUYWe offer for sale excellent single-phase and three-phase electrical devices of high reliability and quality to ensure round-the-clock safety of expensive generating sets in a 220 and 380 Volt network. The main area of application for such specialized devices is luxury cottages, private houses and country cottages. The output accuracy for the series recommended for ordering is 3-10%. All functions provided by these popular 2, 3, 5, 8, 9, 10, 12, 15, 20 and 30 kW ranges are implemented fully automatically. In addition to the wide demand for such electrical equipment in the domestic sphere, they have proven themselves well due to their good technical characteristics and trouble-free operation during continuous operation in office premises, retail spaces and industrial facilities. You can buy a voltage stabilizer for a generator in Moscow and St. Petersburg. All presented stabilizing devices manufactured in Russia by the ETK Energy company are provided with effective multi-stage protection and the best self-diagnostics of the new generation. According to the installation method, some domestically assembled models, thanks to their universal compact housing, have the ability to be used in a wall or floor position. For this purpose, such devices are equipped with special wall mounts on the back of the metal case. According to the type of smoothing of dangerous power supply, premium automatic brands are divided into: inexpensive relay with a fast response speed, electromechanical, as well as hybrid with smooth normalization of surges and sags in the electrical network, and electronic (thyristor) with a pure sinusoidal signal shape.
A three-phase or single-phase voltage stabilizer for a generator will allow you to optimally maintain high-quality power supply around the clock in the event of sufficiently large network overloads. It will ensure stable equalization of high and low electricity, can easily suppress electromagnetic interference and will maximally protect modern equipment for various purposes from short circuits. The highest critical range (from 65V to 265V) is found in high-precision brands of Classic and Ultra thyristor types. Many Russian electrical appliances from our online store have a carefully designed housing design, due to which they can easily withstand strong negative temperatures (up to -30°C) and function reliably in buildings with high air humidity. You can buy a voltage stabilizer for a generator in Moscow, St. Petersburg from us at an affordable price. Among the domestic equipment for consumer electrical networks of alternating current and voltage, there are absolutely silent lines and series with an insignificant noise level (low noise). The performance throughout the entire operating time is controlled by a special microprocessor control unit. If there is no need to adjust critical differences, then it is possible to use the manual bypass mode, which switches to powering electrical equipment directly from the network. The digital display of high-quality network equipment helps you get timely and important information about the current status of the power grid. The guarantee for simple and frost-resistant certified models (single-phase, three-phase) for domestic and industrial use is provided for a period of 1-3 years.
Service life more than 15 years.
Tests carried out by the company confirm that each device, be it a wall stabilizer or a portable device, will last more than 15 years if properly used.
Stable operation in any conditions.
All equipment belongs to the industrial category, therefore it is suitable for use in various climatic conditions, including high humidity, low/high temperatures, etc.
Performance.
By instantly (within 20ms) responding to even the most frequent and sudden surges, network voltage stabilizers guarantee effective protection of your equipment.
Reliable cooling of the device.
VOLTER electronic stabilizers do not use noisy fans. Instead, a complex passive cooling system is used, consisting of many heat-dissipating holes.
Low noise levels.
The devices use reliable W-shaped and rod transformers, ensuring minimal noise levels.
Fire safety.
Each device has improved heat dissipation and temperature protection. That is why overheating and fire are excluded, which makes it a reliable protector of the electrical network.
All devices are highly reliable and efficient. High-quality steel is used to produce cooling radiators, so the device does not overheat or overcool, and the likelihood of failure is reduced to zero. The designs use only expensive and reliable components that have passed factory tests and quality control inspections.
If these arguments have not yet convinced you to purchase a VOLTER voltage stabilizer, then you will also be interested to know that:
- The devices do not require servicing.
- Easy to connect to the network and simple to set up.
- Instantly responds to changes in the network.
- Protects against short circuits and impulse noise.
- Resistant to mechanical damage.
- Withstands heavy overloads.
- They have microprocessor control.
- They do not introduce distortion into the input voltage waveform.
For many years, VOLTER voltage stabilizers have received the highest ratings from both ordinary consumers and professionals. Today, they are one of the best devices that can truly change the idea of high-quality power supply and improve the quality of life.
The list of devices is periodically expanded. New, progressive solutions appear regularly.
All manufactured equipment undergoes a multi-level quality control system in production, and is also inspected before shipment to the final buyer.
Today, many companies are engaged in the sale of VOLTER brand products, but if you want to purchase the device first-hand, contact us!
Voltage generators are used in cases of unreliable operation of the central power supply system, with frequent voltage drops and surges. The generator supplies electricity to places where there is no electricity, but in the event of a sharp drop in voltage, a false operation of the ATS occurs, that is, the generator starts when it is not yet needed. To prevent this from happening, connect the stabilizer according to the circuit before the generator.
Generator operation
Based on their operating principle, generators are divided into types:
- With manual control.
- With automatic control.
Manually operated generators are activated by a person when problems are detected in the main power supply. This method is not very efficient, since when connecting highly sensitive devices, a lot of time elapses between the power outage and the start of the generator. It is not possible to prevent power surges using a generator. Therefore, hand generators are not very popular.
Today, generators with automatic operation are especially widely used by monitoring the operation of the electrical network. It starts automatically when there is a network outage. When the network operation is normalized, the generator immediately turns off on its own, and the operation of all electrical devices switches to the main network.
Such an automatic system makes it possible to provide constant power to various devices. However, it has a disadvantage: the generator can start even when the main network is working. Such inclusion is possible when the network voltage drops sharply for a short time. The automation works erroneously and mistakes this decrease in power for a network outage.
The use of a generator together with a stabilizer connected to the network in front of the generator solves this problem. Now the generator will only start if there is a real power outage. The stabilizer will not allow the generator to start during small power fluctuations in the network.
Selecting a stabilizer for a generator
Before purchasing a voltage stabilizer, you must make a correct calculation of the power of the device. In this case, add up the power of all devices planned for connection and add a reserve of about 25%. Also, we must not forget about the difference between reactive and active loads.
Resistive load occurs in the network from devices that generate heat. These are devices such as heaters, stoves, ovens, irons and other devices. Reactive load occurs in the network from devices that solve problems other than heat generation. For them, power calculation is more complicated. The power obtained in the first way is divided by cos φ. The unit of measurement also changes. The power of devices with reactive loads is measured in volt-amperes, not in watts.
Generators are divided into types according to the fuel used. Some of them run on diesel fuel, while others only run on gasoline. Generators with a diesel engine are more expensive than gasoline ones, but they consume less fuel and are more reliable in operation. Which generator is right for you is up to everyone to decide for themselves. If you have any difficulties making a choice, it is better to seek advice from specialists.
Your costs for a generator will quickly pay off, since the stabilizer ensures the operation of your devices in any mode and prevents their failure in emergency modes.
Automatic Voltage Regulators (AVR) for Generators –These are special devices that, with possible load changes, provide a stable and constant supply of output voltage. Thereby protecting devices that consume generated electricity from breakdowns, and also not only preventing serious overloads of the power plant engine, but also generally increasing the efficiency of power equipment. Symptoms of the gas generator leaving the avr can be
No voltage at the alternator output
Voltage surges at the output from the alternator (for example surges when the generator is operating in the range of 50-175V).
Low voltage (can be determined using a standard voltmeter)
Reasons for failure of the AVR unit
A common cause of breakdown of the generator's automatic voltage regulator is the problem of counter voltage or improper removal of the load from the electrical unit - most often when the user, after running the generator, turns off the engine of the power plant, instead of first disconnecting the load, while manufacturers of gas generators always indicate that after the end of the work you need to turn off the load and let the station operate for 3-5 minutes so that the alternator windings cool down. Another reason for breakdowns of AVR units of gas generators is the reactive component of the load that is not taken into account during operation. This is especially true when working with welding equipment or inverter-type air conditioners.
Repairing the gas generator voltage regulator is impossible in most cases, so the unit must be replaced with a new one. Many manufacturers install AVRs of a certain standard on their generators. For example, for single-phase 5 kW generators, this is an automatic voltage regulator for the generator with an output in the form of a chip with 4 wires + 2 wires for brushes.
Replacing the AVR unit on a gas generator
Replacing the AVR unit is a simple operation, but it requires care, especially when connecting to the brush assembly. On the block, on one of the wires there should be a cam with a “+” indicator; accordingly, it needs to be connected to the plus of the brush assembly.
Otherwise, replacing an AVR is not a problem in most cases. Simply unscrew the old automatic voltage regulator for the generator, disconnect the wire connector and brush wires, and then connect the new one in the reverse order.
If you are in doubt about which AVR to choose for your gas generator, just call us!
You can also come to our Service Center and buy an automatic voltage regulator for a generator of any type from stock.
