Electrical and Electronic Business

The business field that develops, manufactures, and sells electronic products and services utilizing electrical and electronic technologies.

High-Efficiency Power Conversion Systems

Utilizing state-of-the-art technology, these systems minimize energy loss and enable stable and efficient power supply. They maximize energy efficiency in all environments, from industrial to home

Bidirectional DC-DC Converter (for LIB)

Insulated module designed considering the size and stability of input/output voltage Application of Full-Bridge and Full-Bridge ZVS topology Efficiency of over 95% for bidirectional converters between lithium batteries and power systems Equipped with independent operation function and built-in independent operation mode for emergency power usage Various communication interfaces provided (RS-232, RS-485, Modbus, alarm contact points, etc.) Capacities available in 12kW, 15kW, 20kW, 30kW, and 50kW ranges

division Description Data
1 Model Number SK-BIDCDC-08KW
2 Cooling Air
3 Output Power 8 kW
4 V low-side min 80V
5 V low-side max 150 V
6 V high-side min 300 V
7 V high-side max 450 V
8 weight 11 kg
Modular Hybrid PCS System

Based on modular DC-DC converters and inverters, allowing for easy capacity expansion Convenience in installation and maintenance Achieves over 96% efficiency with a 3-level inverter Equipped with emergency power and independent operation mode functions Various communication interfaces provided (RS-232, RS-485, Modbus, alarm contact points, etc.) Capacities available in 20kW, 30kW, 50kW, 100kW, and 150kW (inquiry)

Tesla Coil

While generating high-voltage electricity, it explores the possibility of wireless power transmission. This device, which can be utilized in education, research, and entertainment fields, allows users to experience the magic of electricity firsthand.

Performance Tesla Coil (for Education & Exhibition)

Implements Spark Gap Tesla Coil (SGTC) topology for extended electrical generation Implements Solid-State Tesla Coil (SSTC) topology for fast switching speed and compactness Implements Vacuum Tube Tesla Coil (VTTC) topology for classic implementation Configured with primary coil, primary capacitor, spark gap, secondary coil, and top load Variable in both vertical and horizontal Tesla Coil forms

Electrical Specifications
division Large Medium Small
Topology Half-Bridge Half-Bridge Half-Bridge
Phase 3-Phase 1-Phase 1-Phase
Input 380[V] / 60[Hz] 220[V] / 60[Hz] 220[V] / 60[Hz]
Reflecting Range 660 V 420 V 330 V
Music Tesla Coil (for Entertainment Purposes)

Allows expression of musical notes and tones during electrical generation through frequency control, enabling representation of instruments like violin, piano, cello, etc. Implements Solid-State Tesla Coil (SSTC) topology for fast switching speed and compactness. Configured with primary coil, primary capacitor, spark gap, secondary coil, and top load. Flexible in both vertical and horizontal Tesla coil forms. Consultation and custom manufacturing services available.

EM & EV Chargers

We offer customized charging solutions for personal mobility devices such as electric scooters, e-scooters, etc. Our solutions enable easy and fast charging anywhere, facilitating sustainable mobility in urban environments.

Portable EM(E-Motobike) Charger(for Two-wheelers)

Portable charger for electric two-wheelers and e-mobility devices Input Voltage: 700 ± 10 [Vdc] Output Voltage/Current: 34 ~ 84 [Vdc] / 20 [A] Voltage/Current Variation: ± 1% or less DC-DC Conversion Efficiency: > 90% CAN communication and CHOCORI P/N Rated output of 1.5 kW (Customization available for 1~5 kW)

Rapid/Normal EV Charger (for Electric Vehicles)

Rapid/normal hybrid onboard charger Implementation of 7, 10, 12-inch HD LCD touch screen features (ergonomics) Battery charging status and rapid charging status display CAN/RS485/WLAN/GPRS interface Built-in overvoltage and overcurrent protection circuit Other electrical specifications negotiable

Replaceable Battery Pack

The replaceable battery pack for electric motorcycles dramatically improves the range and convenience of operation, boasting long lifespan and high reliability.
It reduces battery replacement time, allowing for longer and farther rides.

Replaceable Battery Charging Station

The replaceable battery charging station offers the optimal solution for electric motorcycle users, providing convenient and rapid battery replacement.
Designed for sustainable urban mobility, this system ensures reliable energy supply anytime, anywhere.

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Prohibit any Unauthorized E-mail Collection

We refuse unauthorized collection of e-mail addresses posted on this website using e-mail collection programs or other technical devices, and please keep in mind that violations will result in criminal penalties under the Information and Communication Network Act

※ Act on Promotion of Information and Communications Network Utilization and Information Protection, etc.

* Article 50-2 (Prohibition of unauthorized collection of e-mail addresses, etc.)
  • No one shall collect e-mail addresses using a program or other technical device that automatically collects e-mail addresses from an Internet homepage where the intention to refuse collection of e-mail addresses is stated.
  • No one shall sell or distribute the e-mail addresses collected in violation of the provisions of Paragraph 1.
  • Anyone who knows that the collection, sale, and distribution of the e-mail address is prohibited in accordance with the provisions of paragraphs 1 and 2 shall not use it for information transmission.

* Article 74 (Penalty) A person who falls under any of the following subparagraphs shall be punished by a fine not exceeding 10 million won.
  • A person who displays, sells, or displays for sale in violation of Article 8 (4)
  • A person who distributes, sells, rents, or publicly displays obscene code, words, sound, image, or video in violation of Article 44-7 (1) 1
  • A person who repeatedly reaches the other party with code, words, sound, image, or video that induces fear or anxiety in violation of Article 44-7 (1) 3
  • A person who takes technical measures in violation of Article 50 (6)
  • A person who transmits advertising information in violation of Article 50-8 A person who collects, sells, distributes, or uses e-mail addresses for information transmission in violation of Article 50-2
  • A person who transmits advertising information in violation of Article 50-8
  • A person who fails to register changes in registered matters, transfer or acquisition of business, or report merger or inheritance in violation of Article 53 (4)
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