Technical Articles

MoSi2 Heating Control: Traditional SCR vs Layered SCR vs IGBT DC

MoSi2 (silicon molybdenum) rods are widely used in high-temperature industrial furnaces, resistance furnaces, and sinter···

05

2026-09

How Multiple SCR Power Controllers Run Staggered: APR3 Smart Power Distribution

In industrial electric-heating systems, when multiple SCR power controllers run zero-cross control simultaneously, they ···

04

2026-09

SCR vs IGBT Power Supplies: What Are the Differences?

Published: 2026-08-13 | Source: Sichuan KULUN Electric Co., Ltd. In industrial applications such as electrolysis, electr···

13

2026-08

How to Choose a DC Power Supply for a Submerged Arc Furnace

DC supply for submerged arc furnaces / engineering selection For a submerged arc furnace DC power supply, first confirm ···

04

2026-08

How to Choose an SCR Power Controller: Load, Parameters, and Control Methods

Power-control selection for industrial electric heating How to Choose an SCR Power Controller? First check whether the l···

04

2026-08

12-pulse Rectifier Harmonic Analysis: 6 kV/3 MW DC Power Supply Simulation and Advice

12-pulse Rectifier Harmonic Analysis Report Simulation results and engineering analysis for a 6 kV / 3 MW-class DC power···

03

2026-08

SCR Controller Keeps Blowing Fast Fuses? An APR3 High-opening Troubleshooting Case

SCR Controller Keeps Blowing Fast Fuses? APR3 High-opening Troubleshooting and Fix Problem – Cause – Fix – Result – Boun···

31

2026-07

How to Select the TTPR Power Regulator? Three-phase Controller Parameters Explained

How to Select the TTPR Power Regulator? The TTPR is KULUN Electric’s standard three-phase power regulator, commonly used···

30

2026-07

What Is the APR3 SCR Power Controller? Which Industrial Furnaces Does It Suit?

What Is the APR3 SCR Power Controller? The APR3 is KULUN Electric’s three-phase power controller for industrial electric···

30

2026-07

SCR Voltage Controller vs VFD: What's the Difference?

SCR Voltage Controller vs VFD: What’s the Difference? An SCR voltage controller is mainly used for AC voltage and power ···

24

2026-07

Why Do SiC and MoSi2 Heating Need Constant-power SCR Controllers?

High-temperature heating elements such as silicon carbide (SiC) and silicon molybdenum (MoSi2) rods change resistance du···

24

2026-07

Can SCR Power Controllers Accept 4-20 mA or 0-10 V Control Signals?

Can SCR Power Controllers Accept 4-20 mA or 0-10 V Control Signals? Depending on the model, industrial power controllers···

24

2026-07

Do SCR Power Controllers Support Constant-power Output?

Conclusion First: Not Every SCR Power Controller Natively Has Constant-power Control Whether a controller can run stably···

24

2026-07

Three-phase vs Single-phase SCR Power Controller: How to Choose

Three-phase vs Single-phase SCR Power Controller: How to Choose? A three-phase SCR power controller suits three-phase su···

24

2026-07

How to Size an SCR Power Controller by Load Calculation

Conclusion First: An SCR Power Controller Cannot Be Sized by "How Many kW" Alone When selecting an SCR power controller ···

24

2026-07

What Is a Bipolar DC Power Supply? Two Common Commutation Topologies Explained

What Is a Bipolar DC Power Supply? Two Common Commutation Topologies Explained A bipolar DC power supply is one that can···

22

2026-07

Which Low-voltage High-current Applications Suit Synchronous Rectification?

Which Low-voltage High-current Applications Suit Synchronous Rectification? What do low-voltage, high-current machines f···

22

2026-07

SCR Power Controller, Power Regulator, Thyristor Controller: Differences and Selection

SCR Power Controller, Power Regulator, Thyristor Controller — What’s the Difference? On industrial electric-heating site···

22

2026-07

Second-generation SCR Power Controller Launched

Second-generation SCR Power Controller Slim body design saves installation space. Custom-molded heatsink and custom pla···

15

2021-07