KULUN / High-Power AC Power Supply

High-power Thyristor AC Power Supply

Name: High-power Thyristor AC Power Supply
Brand: KULUN

KULUN high-power thyristor AC power supply: adjustable AC 10 V-10 kV / 10 A-100 kA with transformer, for furnaces, metallurgy, glass and lithium.

Output Voltage RangeAC 10 V–10 kV

Output Current RangeAC 10 A–100 kA

产品特征

Proven Kulun thyristor control technology — reliable, high control accuracy, low output ripple
With power-frequency transformers for adjustable low-voltage/high-current or high-voltage/high-current AC output
Custom air-cooled or water-cooled structures for different power levels and site cooling conditions
Optional stacked control boards to improve power factor and reduce harmonic current
True RMS measurement as standard for stable output control
Optional power sharing board — multi-unit power allocation reduces grid impact and improves transformer utilization

Category	Item	Specification
Input	Mains supply	AC 380 V / 690 V / 6 kV / 10 kV
Input	Control supply	AC 85–265 V, 50/60 Hz
Output	Output voltage	AC 10 V–10 kV
Output	Output current	AC 10 A–100 kA
Performance	Control stability	Better than 0.2%
Performance	Control accuracy	Better than 0.5%
Key features	Closed-loop mode	Open loop, constant current, constant voltage or constant power, selectable
	Firing mode	Phase-shift, zero-crossing fixed-cycle, zero-crossing variable-cycle
	Setpoint signal	Analog, keypad digital or communication setpoint, selectable
	Inputs	2 analog inputs, 2 digital inputs
	Outputs	1 relay output, NO contact, AC 240 V/3 A, DC 24 V/5 A
	Communication	Modbus RTU, PROFIBUS, PROFINET
	Power sharing	Intelligent power sharing across up to 40 units
	Temperature PID loop	8-segment temperature profile; smart PID, fuzzy PID or standard PID; AT auto-tuning
Protection	Mains fault	Protection on mains frequency out of range, undervoltage or input phase loss
	Load aging	Protection on load aging fault
	Overheating	Protection when thyristor temperature > 85 °C
	Overcurrent	Protection when output current reaches the set multiple
	Load break	Protection when load current falls below the threshold setting

For industrial furnaces and heating equipment needing stable, adjustable AC output.

High-power AC supply for steel metallurgy, glass & glass fiber and polysilicon processes.

For gemstone power supplies and lithium battery heating with custom voltage and current specifications.

What output voltage and current ranges are available?

AC 10 V–10 kV and AC 10 A–100 kA; exact specifications confirmed with the transformer and application conditions.

Which control and firing modes are supported?

Open loop, constant current, constant voltage and constant power; firing via phase-shift, zero-crossing fixed-cycle or variable-cycle.

Are communication and multi-unit power sharing supported?

Modbus RTU, PROFIBUS and PROFINET are supported; with the power sharing option, up to 40 units run intelligent power allocation.

What protection is included?

Mains fault, load aging, overheating, overcurrent and load break; thresholds follow the selected configuration.

请提供应用行业、设备工况、电压电流、功率范围和现场环境，工程师将协助确认方案。