Product Introduction
350KVA Trailer Inverter System for KTX High Speed Train
The Trailer inverter is a power converter for supplying 3 phase 440V power to a passenger car of KTX high speed railway. Developed the existing 335KVA GTO type inverter device as IGBT type of 350KVA and delivered 60 units to Korail
Specifications
· Input Voltage : 570VDC
· Output Voltage : 3 phase, 440Vrms
· Rated Power : 350KVA(max)
Test equipment for Trailer Inverter
The Back-to-Back Converter type trailer inverter test system is a device for efficient testing of large-capacity trailer inverter. It can perform low power full load test (350KVA) and verifies various protection operation and performance.
Specifications
· Input Voltage : 3 phase, 380Vrms
· Output Voltage : 570VDC
· Rated Power : 350KVA
· Controller : 32bit DSP
Excitation Chopper System
KTX high-speed railroad propulsion control system that receives direct current and is a power converter for generating field flux of synchronous motor. It is implemented as IGBT in existing GTO and Thyristor devices.
Specifications
· Input Voltage : 570VDC, 72VDC
· Output Current : 0 ~ 600A
· Maximum Power : 350KW
· Control method : PWM control
· Cooling method : Heat pipe(forced cooling)
Brake Chopper System
KTX high-speed railroad propulsion control system Power converter for energy regenerative and power generation braking of synchronous motor and existing GTO device implemented as IGBT.
Specifications
· Input Voltage : DC 0 ~ 3000V
· Output Current : 0 ~ 850A/Pulse, 1000A continuous
· Maximum Power : 2.2MW/Pulse Power
· Control method : PWM control
· Cooling method : Heat pipe(forced cooling)
Brake Chopper HV/HC Tester
It is a device capable of testing 3KV high voltage test and 800A current test by receiving normal commercial power (AC220V).
Features
Output waveform measurement and variable operation test, overcurrent protection function
Linear Actuator Inverter System
An inverter for power and control of a linear actuator used in a railway receiving DC voltage.
Specifications
· Input voltage: DC 100V
· Output voltage: 3 phase 100Vac
· Maximum output: 6KW
· Control method: PWM control
· Cooling: natural cooling
90KVA*2 Auxiliary Power System
It consists of two inverters with 90KVA rated output of C / I type. It receives single-phase AC input and supplies power to the auxiliary power load in the railway.
Specifications
· Input voltage: Single phase 334Vac
· Output voltage: 3 phase 0 ~ 440Vac (0.1 ~ 100Hz)
· Maximum output: 90KVA
· Control method: PWM control
· Cooling method: Forced air cooling
3.6KW Chiller Inverter System
Supply DC power and supply chiller of electric bus.
Specifications
· Input voltage: DC 618V
· Output voltage: Single phase 230Vac / 60Hz
· Maximum output: 3.6KW
· Control method: Single-phase uni-directional PWM control
· Cooling method: water-cooled
Diesel locomotive fuel consumption measuring device
It is a device that automatically measures and analyzes the exact amount of fuel used in diesel locomotives, and stores data. Real-time fuel consumption and average fuel consumption are shown in real time.
Configuration
Non-contact flow sensor, control unit, display unit, control power supply unit
40KVA Auxiliary Inverter System
This is a power converter that outputs the battery voltage of the vehicle to 3-phase AC voltage using Boost converter and VVVF inverter circuit.
Specifications
· Input voltage: DC 110V
· Output voltage: 3 phase 400Vac / 50Hz (VVVF / CVCF type)
· Rated output: 40KVA (0.8 cosin phi)
· Control method: SVPWM control
· Cooling: natural cooling
Electric Scooter Inverter System
Device that controls BLDC motor of electric scooter by inputting battery voltage.
Specifications
· Input voltage: DC 42V
· Rated power: 4KW (maximum 9KW)
Super-Capacitor Precharger
DC-DC converter device for initial charging of supercapacitors of fuel cell vehicle.
Specifications
· Input / output voltage: 0 ~ 450Vdc
· Input / output current: 0 ~ 300Amax
· Average Charge Current: 30A
Fuel Cell Scooter Converter
This is a lift-up type DC-DC converter that receives the output voltage of the fuel cell system of the scooter and supplies power to the scooter driving device.
Specifications
· Input voltage: 0 ~ 75Vdc
· Output voltage: 0 ~ 43.5Vdc
· Rated power: 1KW