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The structure consisting of a semiconductor-based rectifier and battery groups that meet the DC energy needs of the equipment in transformers or distribution centers, are constantly connected to the direct current loads here, have constant voltage, and are automatically regulated according to the change in network voltage, is called a battery rectifier group. Battery rectifier groups are used to control the motor and on-off coils, lighting lamps, signal lamps, etc. of the medium voltage cells in the substation where they are located. feeds the equipment. While the mains supply voltage is 220 VAC, the output voltage of the rectifier can be 24 VDC, 48 VDC or 110 VDC.
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Harmonic filter reactor is used to control and filter harmonic distortions in electrical systems. Harmonic distortions that occur in electrical systems are electrical signals that contain unwanted voltage and current waves at incorrect frequencies.
Harmonic filter reactors help control harmonic distortions by using them in industrial facilities and energy distribution systems. This allows energy systems to operate more efficiently and transmit electrical energy without damaging other devices.
Fault indicator mechanism is a mechanism that detects faults occurring in electrical or electronic systems and notifies the user.
The working principle of the fault indicator mechanism is as follows;
It measures the phase currents from three current transformers connected to underground network cables and calculates the ground current. If the measured phase current exceeds the threshold value for a set time, a fault is detected. When a fault is detected, the screen shows which phases or ground faults occur. In all fault cases, the fault indicator flashes and the contacts close. If the fault goes away before the automatic reset time expires and this situation lasts for 3 seconds, it returns to normal state.
The isolation transformer provides isolation of the receiver and the network from each other. This insulation is important to reduce risks caused by high voltage and ensure safe energy transmission. Isolation transformers generally provide galvanic isolation, minimizing the electrical interaction of one circuit with another. Input and output voltages are up to 1000 V, and the power value of the transformer is determined in a range up to 1600 kVa. The working principle of the isolation transformer is based on the principle of magnetic induction between two windings. This transformer has two windings: primary (input) and secondary (output). Alternating current applied to the primary winding creates a magnetic field. This magnetic field creates an induction within the iron core. Since the secondary winding is under the influence of this magnetic field, it produces a voltage as a result of this induction. In this way, energy transfer is achieved without a direct electrical connection between the primary and secondary circuit. This insulation is used to safely transfer energy from a high voltage system to a low voltage system or vice versa.
See ProductsShunt reactor is an inductance (L) element used in electrical circuits. It usually has a parallel connection and the switchreactor is used to correct the power factor or reduce harmonics in electrical systems. The working principle is that the inductance delays the electric current and thus improves the power factor. This helps the reactor to absorb harmonic currents in the circuit and thus protect the electrical system from undesirable effects.
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