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Comparison EnerGenie EG-AVR-DW1000-01 1 kVA / 600 W vs Logicpower LPT-1500RD 1.5 kVA / 1050 W

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EnerGenie EG-AVR-DW1000-01 1 kVA / 600 W
Logicpower LPT-1500RD 1.5 kVA / 1050 W
EnerGenie EG-AVR-DW1000-01 1 kVA / 600 WLogicpower LPT-1500RD 1.5 kVA / 1050 W
from $28.96 up to $30.56
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from $33.80 up to $36.40
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AVR typerelayrelay
Input voltage230V (1 phase)230V (1 phase)
Power600 W1050 W
Power1 kVA1.5 kVA
Specs
Input voltage range140 – 260 V140 – 260 V
Output voltage accuracy (±)8 %10 %
Response time10 ms
Efficiency98 %
Voltmeterdigitaldigital
Sockets
Grounded sockets12
Protection levels
Protection
overheating
short circuit
overload
over / under voltage
overheating
short circuit
overload
over / under voltage
General
Installation
wall
floor
 
floor
Coolingpassivepassive
Carrying handle
Dimensions260x174x94 mm
Weight2.9 kg4.45 kg
Added to E-Catalogfebruary 2017november 2016

Power

The maximum active load power allowed for this model.

Active power is the power that in AC appliances is spent on useful work or on heat generation. In addition to it, such devices also consume reactive power — it goes to the operation of specific components, primarily capacitors and inductors. Apparent power, denoted in volt-amperes (kilovolt-amperes), is the sum of active and reactive, see below about it. Here we note that in simple everyday situations, there is enough data on active power indicated in watts for calculations. In particular, it is this parameter that is considered the key when choosing stabilizers for washing machines and dishwashers : in the first case, power from 2 to 5 kW is considered optimal, in the second — from 1.8 to 2.5 kW.

Anyway, the total active power of the connected load should not exceed the figures indicated in the characteristics of the stabilizer. For a full guarantee, it's ok to take a certain margin, but this margin should not be too large — an increase in the allowable power significantly affects the dimensions, weight and price of the device. Also note that there are formulas that allow you to convert the active power consumption into total power, taking into account the type of connected electrical appliance; these formulas can be found in special sources.

Power

Maximum apparent load power allowed for this model

In electrical engineering, full power is called, which takes into account both active and reactive power; the first type of power is discussed above, and the second can be described as the effect of windings, inductors and capacitors on the operation of AC networks. Apparent power is the main parameter for calculating loads on equipment in professional electrical engineering; it is usually denoted in volt-amperes (VA), in the case of stabilizers — in kilovolt-amperes (kVA). Note that for convenience, different types of power in electrical engineering are denoted by units with different names. That is why the power in W indicated in the characteristics of the stabilizer is usually not equal to its power in VA.

When choosing a stabilizer for some household appliances, it is quite enough to have active power data, but if possible it is better to use the full one. In particular, it is this parameter that is key when looking for a stabilizer for a refrigerator or a stabilizer for a boiler : in the first case, 0.4 – 1 kVA is considered the optimal value, in the second — from 0.1 to 0.7 kVA. However, anyway, it is necessary to choose a specific model in such a way that its total power is not lower than the total power of the entire connected load — and it is better to have a reserve (in case of unforeseen circumstances or connecting additional eq...uipment). At the same time, note that powerful models are distinguished by large dimensions and weight, and most importantly, high cost; therefore, it does not always make sense to chase the maximum numbers.

Also note that there are formulas that allow you to derive the optimal total power of the stabilizer based on data on active power and type of load; they can be found in special sources.

Output voltage accuracy (±)

The largest deviation from the nominal output voltage (230 V or 400 V, depending on the number of phases), which the regulator allows when operating in the normal input voltage range (see above). The smaller this deviation, the more efficiently the device works, the more accurately it adapts to “changes in the situation” and the less voltage fluctuations the connected load is exposed to.

When choosing for this parameter, it is worth considering first of all how demanding the connected devices are for voltage stability. On the one hand, high stability is good for any device, on the other hand, it usually means a high price. Accordingly, it usually does not make sense to buy an advanced stabilizer for an unpretentious load like light bulbs and heaters, but for sensitive devices like audio systems or computers, it can be very useful.

Response time

The rate at which the regulator responds to changes in input voltage. It is determined by the time that passes from the moment of a power surge until the moment when the device fully adjusts to the new parameters and the output current corresponds to the standard 230 or 400 V (depending on the number of phases, see above). Accordingly, the shorter the response time, the better the stabilizer works, the lower the likelihood that a power surge will significantly affect the connected equipment. On the other hand, not all types of electrical appliances are sensitive to speed — for some, smooth adjustment or voltage accuracy is more important (see above); and the high speed itself can significantly affect the price of the device. Therefore, when choosing by this parameter, it makes sense to consider which devices are planned to be connected through the stabilizer.

Efficiency

The efficiency of the stabilizer is the ratio, expressed as a percentage, between the amount of electricity at the output of the device to the amount of energy at the input. In other words, efficiency describes how much of the energy received from the network the device transfers to the connected load without loss. And losses during operation will be inevitable — firstly, not a single transformer is perfect, and secondly, the control circuits of the stabilizer also require a certain amount of energy to work. At the same time, all these costs are quite small, and even in relatively simple modern models, the efficiency can reach 97-98%.

Grounded sockets

The number of sockets for 230 V with grounding provided in the design of the stabilizer.

Some electrical appliances, such as refrigerators and washing/dishwashers, must be grounded when connected. This point should not be ignored — there is a risk of a serious electric shock. Accordingly, the number of sockets with grounding corresponds to the maximum number of such devices that can be simultaneously connected to the stabilizer without the use of splitters. At the same time, ungrounded devices can also be connected to such sockets.

Installation

Wall mounted. This option includes two installation methods. The first, classic option is hanging with the help of “ears” on screws, studs or other similar devices. Thanks to this, the device does not take up space on the floor, in addition, the owner can choose the installation height; this is especially useful in cramped conditions. The disadvantage of this method, compared with the floor, can be called the need to "hollow the walls" and less suitability for moving from place to place; in addition, it is poorly suited for powerful heavy vehicles. The second type of wall-mounted devices are compact low-power models (usually a voltage relay — see "Device"), plugged into a socket not through a wire, but with a plug on the case itself. In fact, such a device is mounted directly on the outlet and does not require special installation.

— Outdoor. Floor models favorably differ from wall models in simplicity and ease of installation: in fact, apart from a flat surface, nothing else is needed for them. The role of such a surface can be played not only by the floor, but also by a shelf, countertop, etc. (the main thing is that such a design can withstand the weight of the stabilizer), and the installation itself is limited only to moving the stabilizer to the desired point in the room. In addition, the ease of moving from place to place is limited only by the mentioned weight, and it can be almost anything. Thanks to this, among the floor...models there are options for any available power and "tricks". The main disadvantage of this method is the need for space under the stabilizer on the floor or other surface.

Note that some models allow both wall and floor installation as standard. Such a device can be useful, for example, if you have not yet decided on a specific option, or if the situation can change at any time. In addition, it is technically possible to put the wall model on the floor, and equip the floor model with mounts and hang it on the wall, but usually such tricks at least do not make sense, or even lead to unpleasant consequences (such as overheating or breakage of the mounts).

Carrying handle

The presence in the design of the stabilizer of a special handle for carrying the device from place to place. This feature is useful primarily for powerful and, accordingly, heavy devices, which would be inconvenient to hold directly by the case. And in the most "weighty" models, which are not designed to be carried alone, there are several handles.
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