Maintaining optimal power supply parameters is an important condition for protecting supplied equipment. Power surges are more common in household networks, but production facilities, with all additional safety measures, may experience fluctuations in the current supply. For such cases, industrial voltage stabilizers are designed, which are used as part of engineering and technological equipment, conveyor lines, individual shops and even structures.
Features of industrial stabilizers
It is customary to separate household and industrial stabilizers by phase, but this is a conditional classification feature. Indeed, most of these devices are three-phase and operate on a network of 380 V. However, there are industrial voltage stabilizers 220V, which with less resources, in fact, perform the same tasks of electrical protection of production equipment. And in this sense, two aspects should be emphasized. Firstly, engineering and technological production plants are not always more powerful than individual representatives of household appliances. Accordingly, under the conditions of the construction site or production, there may well be 220 V networks. Secondly, of course, there are other features that distinguish industrial models, including advanced control methods, higher technical reliability and multifunctionality.
In addition, in modern factories, systems of programmable controllers are increasingly being introduced , which allow regulating the joint work of engineering devices and electrical equipment from one point. Many models of voltage stabilizers for industrial plants are designed for this integration opportunity, thereby facilitating equipment control processes. Obviously, in the communication systems of the home stabilizer with industrial controllers, there is simply no sense.
Main characteristics
The stabilizer is mainly determined by power. This is the potential that covers the total energy consumption of the equipment being serviced. As in the domestic sphere, in industry one stabilizer can serve several units of equipment. In calculating the best option, you should add the power consumption indicators of the target equipment, then multiply this value by the deviation coefficient in the network and get the power indicator of the desired device. For example, a voltage regulator of 10,000 volts dominates in the middle segment. An industrial unit of this type cannot be called super-powerful, but it can be suitable for protecting several machines or a climate system with a boiler. A range of deviations in voltage values and stabilization accuracy are also evaluated. For example, the input voltage can range from 135 to 450 V in phase. This is the optimal coverage range for industrial devices, although there are more attractive indicators of a specialized type.
Types of equipment
In the segment of three-phase stabilizers, two main groups of models are distinguished - electronic and electromechanical. Electronic devices are based on an automatic transformer, which implements stepwise switching of the winding. The design for the performance of work functions is complemented by a control relay and semiconductor components in the form of thyristors and seven-cell amplifiers. Thanks to these elements, a quick adjustment of the circuit parameters is provided. By the way, it is in this group that single-phase industrial voltage stabilizers with a digital control interface are found. They are similar to household models in terms of control and ergonomics, but have a higher degree of electrical protection. As for the electromechanical models, they control the voltage with a graphite brush. This component is shifted to the sides along the transformer, closing the circuit at the desired points of the winding. Electromechanics is characterized by increased overload capacity, but its functional elements quickly wear out, and this already negatively affects the accuracy of the equipment.
Reviews about the Elitech ASN 6000 T model
The equipment was made rather non-standard by the standards of one of the largest manufacturers of engineering equipment - Elitech. The developers used an electromechanical control circuit and, with phase support of 380 V, endowed the unit with a capacity of only 6,000 watts. Nevertheless, the practice of operation has shown that such characteristics may be acceptable. The device performs well in servicing individual networks and production points. This is the plus of low-power industrial voltage stabilizers, which, concentrating on one line of protection, provide higher regulation accuracy and reliability. Also, the operators of this model indicate ergonomics and ease of access to individual functional units.
Reviews about the model Progress 8000SL
This is a variant of a specialized model designed for servicing boilers. By the way, the 8000SL stabilizer just demonstrates an example of convergence of single-phase equipment with the full-fledged needs of industrial importance. Suffice it to say that with the support of a 220 V network, the unit has a capacity of 6400 W, ahead of the previous three-phase model in this indicator. As for the reviews, they indicate the accuracy of the rectification of the network, compliance with the declared wide range of adjustment and the quality of the design. The disadvantages include only the price tag. For comparison, if typical industrial voltage stabilizers with power up to 10,000 W are estimated at an average of 30-40 thousand rubles, then the modification of 8000SL costs about 60 thousand.
Reviews on the model "Resanta ASN 15000/3"
Under the Resanta brand, some of the best models of domestic stabilizing equipment are being released. In this case, the developers offer a very attractive price-performance ratio. With a capacity of 15,000 watts, the industrial voltage regulator of this modification is able to cover several units of high-performance equipment in a three-phase network. At the same time, the cost is 30 thousand. According to the working qualities, equipment owners emphasize a low error of 2%, versatility of use, a wide range of voltage levels and small sizes.
What to consider when choosing?
Of course, it is worth starting from the immediate operational parameters in the form of input voltage, accuracy of adjustment and the principle of operation as such. But also do not miss the opportunity to control and manage equipment. It is known that in the conditions of production almost all electrical equipment provides a significant energy consumption. Therefore, the automatic control function of the voltage regulator will not be superfluous. An industrial energy-saving unit with its own system for monitoring operating parameters will cope with primary tasks, but at the same time it will not overload the line above the norm. Also, a modern stabilizer cannot be deprived of a short-circuit overload protection system. These and other additions, together with the self-diagnosis function, must be considered in the selection.
Conclusion
The variety of electrical protection and safety systems that are available on the market today can lead to doubts: is the problem of voltage stabilization really important and requires expensive equipment to solve it? Or is it nothing more than a marketing campaign? In this regard, it should be noted that in the domestic sphere the need for such an addition is not always present. But an industrial three-phase voltage regulator, introduced into the infrastructure of critical equipment, is certainly a useful protective measure. Moreover, such devices are used not only in industries, but also in medical institutions, for example, where an accidental failure of a medical device can cost a human life. Another thing is that the choice of stabilizer should correspond to clearly formulated tasks.