MAGNETIC GENERATOR: COP>1 (Australia 1986) [Ураїнською мовою]
Description:
An alternator consisting of a flywheel (1) containing an even number of permanent magnets (2) with alternating sides in one or more concentric rings (two rings in this analysis).
These magnets are held in place by two non-ferrous castings (3), which are secured with non-ferrous screws and secured around the perimeter with stainless steel tape (4). The castings also hold the center chuck (5) in place.
The flywheel rotates (in this case at 2000 rpm) between two sets of induction coils (6) and (7) alternately wound on plastic bobbins (8) which are located on
The laminated protrusions of the cores on the round cores (9) and (10), and then the ends of the protrusions of the cores, are transversely covered on alternating laminates which are of varying lengths to ensure this and are fixed in place with magnesite impregnated resin.
The coils in the outer ring of this 240V AC generator are wound with 0.5mm copper wire at 340 turns per coil, producing 40V at 1.4A AC (56W). Twelve coils on each side of the flywheel are connected in series in six groups of four coils, which are then connected in parallel. Both sides are installed with a phase difference of 90°. Each group of four coils produces 160VAC at 1.4A and has a rectifier link as shown on the drawing sheet (3). Six groups connected in parallel produce 160 volts DC at 8.4 amps. They are separately straightened to prevent feedback. This combined circuit is protected from the low voltage-high current feeder circuit from the inner ring of the coils with two diodes of 35 A each.
The inner ring of the coils is alternately wound with 1.2 mm copper wire at 64 turns per coil, generating 4 volts at 6 amps each, and connected in series in six groups of two, pairs in series, each generating 8V at 6A, which are individually bridged and connected in parallel to produce 8V at 30A DC. Then he connected in parallel to a primary power supply of 8.4 A at 160 V, which when combined produces 160 V at 30 A DC. The low voltage produces only a small ripple on the 90° DC sinusoidal phase, pulse.
The inner rings of the coils are also 90° out of phase and 45° out of phase from the outer rings of the coils. The main reasons for phase difference are to minimize magnetic blocking and to smooth the DC pulse.
The 160V 30A DC source is now fed into a 0.3uF storage capacitor, resulting in 240VDC, which is then inverted, pulse width modulated, and finally filtered.
The 1:1 transformer (drawing sheet (3)) is retracted in the center, and the primary winding has less mass than the total mass of the generator winding.
The inner rings of the coils will have four spare coils which can be wound on 3, 6, 9 or 12 volts and can be used for inverter control circuit, charger etc.
The power output of this generator is 240VAC at approximately 30A or 7.2kW at 2000rpm. The required power on the shaft (12) is approximately 600 watts.
Note that this alternator can be built to almost any usable size and can be multiple driven by a single drive motor.
The formula used for the number of magnets in one ring and the rotation speed:
Mn = 60 x 400 / Rt,
where Mn is the number of magnets in the ring,
Rt is the number of revolutions of the flywheel,
and 400 is constant.
This generator will produce significantly more energy than is required to run (rotate) it.
dated February 14, 1986
Patent original PDF
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ANNOTATION
What's unusual here. To begin with, let's compare the "accounting" of power. On the generator shaft, for the rotation of the flywheel-rotor, a drive motor power of up to 600 W (0.6 kW) is required. The maximum output power from the generator phases is 7.2 kW. The conversion efficiency will be:
Efficiency = 7.2 / 0.6 = 12.0 (1200%)
Can't be! Many will exclaim. But the generator phase system is designed with the effect of compensating the electromagnetic attraction between the rotor and stator pole pairs. Such an effect can be applied to salient-pole machines, with a special arrangement of pole pairs, with variable acceleration and deceleration during rotation of the rotor poles relative to the stator poles. You can see a picture explaining this effect.
When the rotor's magnetic pole approaches the stator's pole piece, it magnetizes it. An EMF will appear in the coil winding and, with the winding closed, the current strength will increase the magnetization of the core (figure a) with its subsequent retraction into the complete circuit of the magnetic circuit (figure b). This position is also called magnetic lock or sticky. Further rotation is associated with mechanical work to break the magnetic circuit between the poles of the rotor and stator (figure c). So, in drawing a, the movement of the rotor pole to the center line of the stator pole is acceleration (motor effect), in figure c, this overcoming of the magnetic attraction of a pair of rotor-stator poles is, in fact, braking (generator effect). The effect of the engine and generator. or electromagnetic torque, was considered for the generator phase of a synchronous salient-pole machine, in which the distance between the stator poles is equal to the distance of the rotor pole, on the gap line between the rotor-stator pole pair.
This generator has two rings of coils and one rotor, during rotation, the combination of closing and opening of the magnetic couplings of the pole pairs is planned in such a way that the electromagnetic torque on the shaft is minimal.
A feature of the generator phases are different output frequencies. In this option, the design solution is to rectify the AC from each phase to DC, regulate the voltage and power the load through the inverter. For capacities from 5 kW and above, the cost of equipment for controlling the speed of the drive motor. and the system for regulating the output voltage with inversion to the voltage of household or industrial devices will exceed the cost of the generator itself, from a rotor-flywheel with permanent magnets and a stator with phase coils.
Serge Rakarsky
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