SU90156A1 - Induction measuring device - Google Patents

Description

The subject of the invention is a device having vector-dimensional properties.

The known devices of the same purpose, made in the form of magnetoelectric, with the threat of permanent magnets, have the disadvantages that they have rotating parts and additional components in the form of a synchronous motor. Such devices have a limited scope.

In the described invention, these disadvantages are that the rotation of the magnetic field in the device is not mechanical, but electric, and, as a result, the device does not have any rotating parts or additional components.

The turning of the stator informs the use of vector-dimensional properties and calculates its area when it is, making it unversal.

In par. 5, the measured pressure is supplied to the rotor. A stator for creating a circular rotary magnetic flux is connected to the network, which is connected with the circuit of the measured magnetic field on the same: -and 1: og. made turning and equipped with a device for reading the angle of rotation.

The drawing shows the electrical circuit of the device, where: / -scale to determine the size of the measured inlet: kei; 2-arrow for reference on the scale, fixed on the rotor; 3-stator, the winding of which to create a circular rotating magnetic flux with its clips 4 and connect to the network 5, common with the measured voltage 6 of any measurement circuit 7; 5-rotor winding connected via spirals .9 with clips 10; 11-page ::, 1ka, zak; 1enlo on the stator 3 for reading along the slit 12 of the angle of its rotation; 75-core core to reduce magnetic resistance.

No. 90156

The scale 12 is divided by 360. Each half of starter 1 is divided into 100 divisions. One of the guloaina has marks with positive signs, and the other half is marked with positive signs.

For a change in the spatial velocity of rotation of the magnetic field 3 times the number of times the stator winding is switched to a different number of pole pairs.

The winding of the rotor lgshs shk, rb lia varia.ta. When a sleigh in its winding is measured, a pole creates a circular rotating magnetic flux, for which it is performed in the same way as the stator winding for a single-phase current. With another varnant in its winding, it is not a current; a pulsar is created by a current with a current of more than zero. In this case, the rotooan winding is performed by alternately applying the wire to the diameter of the protagonist side (drum winding or winding in Eshde frame).

For the direct difference of the difference or the sum of two vector Bc: iH4in- |: 1th voltage or current) the winding of the rotor (and / w stator) before the lagging device is made in the form of identical coils.

With ns-lyo penos) of the active and reactive component of the current component (voltage. XIOHUJOCTH, etc.), without turning the stator, the winding of the rotor of the pickup in the circuit of two identical, but mutually mutually per-peak: wild;; | :. 11; -l: at and: ek.

The device works in the following way.

The MarHHTtihui noTGJx, created in the stat | | one of the instrument windings with two varas MarHtiTHbiMH, remains the same as the frequency of the network. The magnetic note of the rotor, proportional to the measured current, remains for this value of the measured current unchanged along the line; you are flashing with the same frequency and in the same direction as the magnetic flux of the stator. WITH; counselor, both flows will be fixed one relative to the other. This promise allows the described device to be treated for alternating current as a magnettole for a direct current device.

 theo1) and, pre.m.cestr. and so on. Lagnitelectrically instrument, as a matter of fact, is suitable for the described instrument.

The current nepe-MeiiHoro is measured in two steps. By turning the stator, you get the best readings of the instrument on the scale 1, and on Figure 12 it counts the phase shift of the measured current in the rotor relative to the current from the stator. The stator, up to the maximum deflection of the arrow 2, shows the measured current in the rotor on Il1kal /.

As already mentioned, the device is universal and, in particular, can replace} a magnetoelectric galvanometer with a controlled rectifier and phase shifter and can be used as:

a) devices for analyzing the shape of the curve of the test current;

b) watt meter, voltmeter, ammeter, zero indicator;

c) phase meter;

g) counter ampere-volt hours and electrical energy;

e) installation d / ;:: measured by G1 with a potentiometer;

e) apparatus — for checking current and voltage transformers;

g) devices for determining the number of turns and short-circuited turns;

h) devices for removing points of the discharge current; 1) an installation for measuring the mono-harmonic (in terms of

and phase).

k) installations for measuring complex resistances: l) frequency meter, logometer, etc.

Item invented: -

An induction measuring device with a power supply to the stator and rotor windings, characterized in that, in order to expand the field of application of the device, its stator is made rotatable and provided with a scale for counting the angle of rotation.

- J4tf