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JAVAC NANOMAG GENERATORS
The Nanomag PM generators in the 3000 rpm version are available in 3 versions with a nominal power of 6 to 9 kW, due to the stabilized power supply also very suitable as emergency power generator for residential use.
The main features of the nanomag generators are the ability to neutralize high peak powers, and a very stable output.
Important for everything that has to do with electronics (sound installations, compressors, light organs, welding, hydraulic units, etc.).
The NM-5000 is a petrol version with 2 outputs 220 volts 12 Amp, this is a solution in terms of weight.
The NM-7500-A, is a 230 volt mono version, with 2 outputs 16 AMP and 1 output 25 AMP This machine can easily handle any user on 230 volts.
The NM-8500-B, is a 3 x 400 volt version (1 output 400 volt + 2 outputs 230 volt), this technology ensures that you are able to effortlessly start a 5.5 KW (7.5 HP) engine with this machine .
The NM-11000-B is a power generator with a 2-cylinder water-cooled engine, this powerhouse can supply energy that normally requires a 15 or even 20 kVa generator.
For use in food trucks or service vehicles where a heavy compressor and other machines have to be operated, this is an excellent solution, given its compact dimensions and low weight.
These Nanomag generators are standard equipped with an electric starting system (incl. battery). Remote control (optional) is possible.
These machines comply with the strictest European approval, including a residual current switch, an electronic hour meter, and a separate grounding loop.
The life of the air-cooled motors should be estimated at 5000 operating hours, after which you simply replace the motor, for a second bracket of 5000 operating hours.
The water-cooled engine has an expected life of 10,000 operating hours.
The consumption for the 7500 is about 1 liter per hour at full load, for the other machines this is slightly higher.
If you expect a longer service life from your engine, you should look for a 1500 rpm water-cooled engine, but the weight class and size are a problem for mobile workshops.
GENERATOR, WHAT IS THAT NOW?
RATED Power, or the power that a generator can produce for an extended period of time, this is the power of the generator as designated power.
Keep in mind that this is 90% of the maximum power, some companies advertise with this power which is pure distortion of competition.
As an example, let’s say that a 4.2 KW generator can give you a power of 4200 + 400 watts = 4600 watts in a short time, this generator is best used for a maximum power of 4000 watts.
So expressed in lamps 40 lamps of 100 watts, also because the usage curve of your motor shoots up at full load.
In the previous example, the lamps are the LOAD of the generator.
A 4200 Watt generator can handle a maximum load of no more than 4600 Watt.
The “lamps” example is called a RESISTANCE type of load and the POWER required is easy to understand.
Other RESISTANCE types of load include things like toasters, convection ovens, hobs, curling irons, coffee makers, stereos and TVs.
RESISTANCE LOAD is usually applied in appliances without an electric motor.
Resistance load = 1 x Power.
RESISTANCE & RECREATIONAL LOAD
It is different with the reactive load, which usually includes an electric motor.
Some home appliances such as stovetops and refrigerators have internal fans that run intermittently, so extra power is needed to start the fan.
Another example is power tools.
A device or implement with a REACTIVE load may require up to three times more power (KW) to START than it needs to run.
The comparison shows the relationship between WATTS, VOLTS and AMPS in a PURE RESISTANCE LOAD.
If you know one of the two variables, the third can be calculated.
Example: You want a generator to power a 1000 Watt floodlight.
The device is 220V and requires 1000 Watts of power.
Using the equation, we can calculate that the floodlight will draw 4.3 AMP electrical current.
For Reactive loads, the comparison shows only a general relationship between Watts, Volts and AMP, because the power requirements for REACTIVE loads changes with the Control Conditions.
Reactive load = Volt x AMP = Watt
To determine the choice of the right generator for REACTIVE load types, you must consider the 3 modes of control:
|Technology||PMG III generation|
|Maxi. power||8 kVA|
|Welding / Inverter||Yes|
|Alternator||Nanomag III generation|
|Noise load||72 dBa at 7 meters|
|Dimensions||950 x 520 x 750 mm|
|Tank Contents||18 L|
|Engine power||9 HP|
|Engine type||1 cylinder direct injection|
|Content engine||418 cc|
|Lubrication System||Splash lubrication|
|AVR||Not necessary with this technology|
|Warranty||2 years or 1000 hours of operation|
Q: I am looking for a back-up generator that can make up for the shortage of energy from solar panels to ensure that the batteries do not go below 10%. The entire system runs on Victron equipment. Victron itself recommends an AVR generator, but can the NM-7500-A generator also provide a reliable voltage without an AVR, i.e. is this NM-7500-A generator compatible with a Victron multiplus 48/5000? Victron recommends supplying a generator with approximately 70% or more of the batteries capacity (6,600kw, 3 modules of 2200w).
A: Power supply from a generator is more variable than a power supply from the mains. The Multiplus Victron is extremely sensitive to this and will reject power that falls outside the programmed settings, preventing the device from connecting, synchronizing or charging. AVR-equipped generators will audibly struggle and eventually stall when overloaded, indicating a problem. Inverter based generators have the property that the motor continues to run even if the unit is electronically overloaded and no longer supplies power. It may appear that the generator is running and the system is charging when it is not. These are also quickly overloaded by peak loads, as they are limited electronically rather than mechanically. With the nanomag generators with a net power of 7 KW you kill 2 birds with 1 stone, firstly the Nanomag generators are not equipped with an AVR, since the magnetic field is permanently present. The absence of a diode bridge also makes the nanomag generators very reliable, as these 2 critical components are not present. And especially the excellent properties to bridge peak load, and this for continuous load. This makes the Nanomag generators extremely suitable. For all PV installations where the battery must have a back-up system.
Q: I see the same kind of generators that are 3 times cheaper than the nanomag generators, where are the major differences?
A: In addition to the engine that has a much higher torque (YAMAZAKI/Japan) than most other suppliers, there is especially the PM alternator that makes the big difference. The PM alternator is constructed with very expensive super magnets. So it is mainly this that influences the price. On the other hand, this investment pays for itself, given its extraordinary qualities. Try starting a 7.5 HP compressor on a cheaper generator of the same class, or welding at 350 AMP, just to take a few examples. But also the almost perfect sine wave, which is of primary importance for many electronic equipment. Our nanomag generators are very popular with service vehicles, back-up systems, floats, mounting on aerial work platforms, agro sector for jobs on the land, concrete milling machines, etc.
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