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DOSED-CAPACITY ELECTRODE WATER HEATER USED IN BOILING AND HEATING INSTALLATIONS

Power change of electrode water heaters depending on the water quality is their main disadvantage. To eliminate this drawback and improve the reliability of water heaters, an electrode water heating system was developed and its operating mode was analyzed. The paper considers an aggregated system of electric water heating, consisting of a single-phase electrode water heater connected to a single-phase network via a valve-capacitor converter with a metered energy transfer. To regulate and stabilize the heating power, the storage capacity of the converter is divided into separate sections. The performed formula analysis of the load mode of the aggregated system allows optimizing its operation mode. In order to increase the safety and ease of operation of the installation, additional interlocks of the corresponding electrical circuits are provided in the electrical circuit. The authors conclude that it is advisable to use single-phase electrode water heaters by switching on through a valve-condenser converter with dosed energy transfer, which allows regulating and stabilizing the heating power and thereby increasing electrical safety, functionality, reliability of electrode water heaters, as well as ensuring a signifi cant improvement in the quality of operation.