High frequency and commercial frequency reactors - custom manufactured according to type/application.
At Tsuruta Electric, we manufacture DC/AC/three-phase/single-phase reactors (air core and iron core) tailored to specific applications, ranging from large-capacity products for power systems to communication device components.
■ Capable of manufacturing up to a maximum rated current class of 3000A. We propose optimal designs for the core (silicon steel sheets, Super E, amorphous, Finemet, powdered iron cores, ferrite) and coils tailored to the frequency range, including copper strips, litz wire, and single wire. (1) Considering the structure in terms of IP (Ingress Protection) ratings, we can also provide products that are resistant to harsh environments. (2) Compliance with international standards (IEC/EN/UL, etc.) is available. (3) Direct current superimposition characteristics will be measured. (4) Vibration testing evaluations will be conducted. (5) Slim design is possible. ■ Direct Current Superimposition Characteristics: When a direct current bias flows through an inductor, the permeability decreases as it approaches the saturation point of the magnetic material, resulting in a decrease in inductance value. This characteristic is referred to as direct current superimposition characteristics. The issue with this direct current superimposition current arises when a core with a higher permeability than air is used to achieve a small size with a large inductance. Since cores like iron have a permeability that is significantly greater than that of air, it is possible to achieve a small size with a large inductance.
basic information
◇Quality and Materials◇ We manufacture according to the desired type and application of the reactor. ■Product Name: DC Reactor, Single-Phase AC Reactor, Three-Phase AC Reactor, Air-Core Reactor, Starting Reactor (Starting Compensator) ■Core Materials: Silicon Steel Sheet, Thin Silicon Steel Sheet, Super E, Iron-Based Amorphous, Finemet, Powdered Iron Core, Ferrite ◇About Reactor Design◇ We determine the core material based on the characteristics required by the customer (inductance/frequency range/DC superimposition/ripple, etc.). The selection of core materials significantly impacts costs, so we carefully consider the conditions and performance of the reactor, conduct simulations as needed, and develop optimal, compact, and reasonably priced products.
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Applications/Examples of results
■Renewable energy (solar power generation, wind power generation), inverters for power conditioners (PCS), charge and discharge testing equipment, UPS, laser welding machines, package air conditioners, fuel cells, machine tools, construction machinery, elevators, railway vehicles, etc. ■Please check the following purposes before contacting us. ◇Types of reactors: DC reactors, series reactors, branch reactors, filter reactors, others ◇Applications: commercial frequency rectifier smoothing circuits, high-frequency rectifier smoothing circuits, commercial frequency AC circuit sections, high-frequency AC circuit sections, motor starting, PFC (power factor correction), others ◇Applicable standards: Domestic (JEC-2210/JIS61558), EU Europe (EN61558/EN60076), USA UL (UL5085) ◇Ratings: continuous rating, short-time rating duty cycle ◇Insulation class types: A (105℃), E (120℃), B (130℃), F (155℃), H (180℃) ◇Installation location: indoor, outdoor, IP ◇Presence or absence of dimensional restrictions and dimensional conditions
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