Enbray electrical components Germany Enbray model Enbray price

Enbray electrical components are instruments that measure by converting high primary current to low secondary current based on the principle of electromagnetic induction. A current transformer consists of a closed iron core and windings. Its primary winding has very few turns and is connected in series in the circuit where the current needs to be measured. Therefore, the full current of the line often flows through it. The secondary winding has more turns and is connected in series in the measuring instrument and protection circuits. When the current transformer is in operation, its secondary circuit is always closed, so the impedance of the measuring instrument and the protection circuit series coil is very small, and the operating state of the current transformer is close to a short circuit. The current transformer converts high primary current to low secondary current for measurement; the secondary side must not be open-circuited. The principle of the current transformer is based on electromagnetic induction. A current transformer consists of a closed iron core and windings. Its primary winding has very few turns and is connected in series in the circuit where the current needs to be measured, so the full current of the line often flows through it. The secondary winding has more turns and is connected in series in the measuring instrument and protection circuits. When the current transformer is in operation, its secondary circuit is always closed, so the impedance of the measuring instrument and the protection circuit series coil is very small, and the operating state of the current transformer is close to a short circuit.

Enbray electrical component parameters

(1) Rated operating voltage: refers to the voltage required by the coil for the relay to operate normally. Depending on the relay model, it can be AC voltage or DC voltage. (2) DC resistance: refers to the DC resistance of the coil in the relay, which can be measured with a multimeter. (3) Pull-in current: refers to the minimum current required for the relay to perform the pull-in action. During normal use, the supplied current must be slightly greater than the pull-in current so that the relay can work stably. For the operating voltage applied to the coil, generally do not exceed the rated operating voltage, otherwise a large current will be generated and burn out the coil. (4) Release current: refers to the maximum current at which the relay performs the release action. When the current in the pull-in state of the relay decreases to a certain level, the relay will return to the de-energized release state. At this time, the current is much smaller than the pull-in current. (5) Contact switching voltage and current: refer to the voltage and current that the relay is allowed to carry. It determines the magnitude of voltage and current that the relay can control. Do not exceed this value during use, otherwise the relay contacts are easily damaged.

Enbray electrical component functions

A multimeter can not only be used to measure the resistance of the object under test, but also AC and DC voltages. Some multimeters can even measure the main parameters of transistors and the capacitance of capacitors. Fully mastering the use of a multimeter is one of the most basic skills in electronic technology. Common multimeters include analog multimeters and digital multimeters. An analog multimeter is a multifunctional measuring instrument with a meter head as the core component, and the measured value is read from the pointer of the meter head. The measured value of a digital multimeter is directly displayed in numerical form on an LCD screen, which is convenient to read, and some also have voice prompt functions. A multimeter is an instrument that integrates a voltmeter, ammeter, and ohmmeter using a common meter head. The DC current range of a multimeter is a multi-range DC voltmeter. Connecting a shunt resistor in parallel with the meter head can expand its current range. The DC voltage range of a multimeter is a multi-range DC voltmeter. Connecting a voltage divider resistor in series with the meter head can expand its voltage range. Different voltage divider resistors correspond to different ranges. The meter head of a multimeter is a magnetoelectric measuring mechanism, which can only pass DC. Diodes are used to convert AC to DC, thereby achieving AC measurement.

Enbray electrical component structure

A generator is usually composed of components such as the stator, rotor, end covers, and bearings. The stator consists of the stator core, wire windings, frame, and other structural parts that fix these components. The rotor consists of components such as the rotor core (or magnetic poles, yoke), windings, retaining rings, centering rings, slip rings, fan, and shaft. The bearings and end covers connect and assemble the stator and rotor of the generator, allowing the rotor to rotate within the stator, cutting magnetic flux lines, thereby generating induced electromotive force. This is led out through terminal blocks and connected to the circuit, generating current.

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