Resources

What Power Supply for Molten-salt Heating? The Role of HV Power Control Cabinets in Energy Storage

Selecting a molten-salt heating supply is not about "can it heat" — it’s about power class, voltage class, temperature-c···

12

2026-09

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

How do SCR power controllers achieve CC/CV? What are constant current and constant voltage?

Constant current (CC) and constant voltage (CV) are both closed-loop control: the unit samples output current or voltage···

27

2026-08

What is the difference between SCR and IGBT power supplies for hydrogen production?

SCR hydrogen power supplies suit high-power projects with gentle load variation and cost sensitivity; IGBT supplies bett···

27

2026-08

When retrofitting old equipment, how to match the power cabinet, communication and site conditions?

Start by verifying the existing cabinet dimensions, busbar rating, cable entry, control signals, communication protocol,···

27

2026-08

How to verify the protection capability of a high-current thyristor power supply?

Do not judge by panel alarms alone. Check instantaneous overcurrent protection, semiconductor fuses, phase loss, overhea···

27

2026-08

What do semiconductor diffusion furnaces require from a power control supply?

Prioritize zone temperature stability, control-signal immunity and smooth output regulation. Before selection, confirm t···

27

2026-08

How to configure heating power supplies for lithium battery material sintering furnaces?

Configure SCR power controllers zone by zone, checking per-zone power, heating elements, supply phase arrangement and co···

27

2026-08

Which key parameters must be confirmed when specifying a DC power supply?

Never specify a DC power supply by rated power alone. At minimum confirm the input grid, output voltage/current range, c···

27

2026-08

How to select an SCR power controller for industrial furnace heating by load type?

Select by load characteristics first. Resistive loads such as resistance wire and graphite can use phase-shift or zero-c···

27

2026-08

How to choose a submerged arc furnace power supply supplier? The 4 easiest traps

Never choose a submerged arc furnace (SAF) power supply supplier on price alone. Verify experience with high-impact load···

27

2026-08

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

Which Parameters Are Needed to Select an Industrial DC Power Supply?

Which Parameters Are Needed to Select an Industrial DC Power Supply? Selecting an industrial DC supply usually requires ···

24

2026-07

Synchronous vs Conventional Rectification: What's the Difference?

Synchronous vs Conventional Rectification: What’s the Difference? Synchronous rectification reduces rectification loss t···

24

2026-07

Which Applications Suit Bipolar Adjustable DC Power Supplies?

Which Applications Suit Bipolar Adjustable DC Power Supplies? Bipolar adjustable DC supplies suit electrochemistry, surf···

24

2026-07

How to Choose Industrial Heating Power Supplies: SCR Controllers, Rectifiers, and IGBT Supplies

How to Choose Industrial Heating Power Supplies? Choose by load type. AC electric heating usually starts with evaluating···

24

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

Plasma Power Supply Selection: Constant-current Output, Arc Striking and Arc Stability

What Matters in Plasma Power Supply Selection? Plasma supplies serve plasma welding, cutting, spraying, and automation e···

22

2026-07

Submerged Arc Furnace vs Electric Arc Furnace: Choosing High-power DC Supplies

How to Choose Between Submerged Arc Furnace and Electric Arc Furnace Power Supplies? Submerged-arc and electric-arc furn···

22

2026-07

Electroplating vs Electrolysis Power Supplies: DC Rectifier Selection Points

Electroplating vs Electrolysis Power Supplies: What’s the Difference? Both belong to DC rectifier power supplies, provid···

22

2026-07

How to Select an Electroplating Power Supply: Rectifiers in Plating Processes

A plating power supply is not just "enough voltage and current". Coating uniformity, adhesion, brightness, porosity, and···

22

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

VFD vs Soft Starter: The Simple Differences

The VFD Definition: a converter that transforms fixed-voltage, fixed-frequency AC into variable-voltage, variable-freque···

19

2022-05

What Is an SCR Power Controller?

SCR Power Controller An SCR power controller is a controller built around a dedicated control circuit that triggers thyr···

19

2022-05

An Overview of the Main Functions of a Soft Starter

A soft starter controls output voltage by controlling the thyristor conduction angle. It is therefore essentially an aut···

19

2022-05

The Four Function Groups of an Industrial SCR Power Controller

The four function groups of an SCR power controller are analyzed below: 1. Protection and Basic Control Functions Electr···

19

2022-05

SCR Power Controllers for High-precision Temperature Control — and Energy Savings

Industrial resistance furnaces are a common class of controlled objects with nonlinearity, large lag, and large inertia.···

19

2022-05

SCR Power Controllers in Plastics Machinery, Glass Processing, Industrial Furnaces, and Papermaking

A three-phase SCR power controller is a power-control electrical device based on thyristors with an intelligent digital ···

19

2022-05

What Is Motor Soft Starting? The Four Starting Methods

With a soft starter connected in series between the supply and the controlled motor, its internal thyristor conduction a···

19

2022-05

SCR Power Controller + Thermostat: Energy-saving Industrial Temperature Control

A thermostat is a series of automatic control elements that physically deform with temperature changes in the working en···

19

2022-05

What Protection Functions Does a Soft Starter Have?

(1) Overload protection: the soft starter introduces a current control loop that tracks motor-current changes at all tim···

19

2022-05

SCR Power Controller vs Single-phase Solid-state Relay: Which Is Better?

Single-phase Solid-state Relay vs SCR Power Controller: Which Is Better? SSR Current-rating Selection Rules Overcurrent ···

19

2022-05

What Is a Soft Starter? Functions and Application Notes

Three-phase induction motors have many advantages but two serious weaknesses: poor starting performance and poor speed-···

19

2022-05

What Is RMS Current?

What Is RMS Current? When we say "220 V" or "10 A", those numbers are usually neither instantaneous peaks nor simple ave···

19

2022-05

The Working Principle of a Soft Starter

A soft starter is a modern motor-control device combining motor soft start, soft stop, light-load energy saving, and mul···

19

2022-05

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