Lectures:
Electrical resistance heat
Alternative power supply for electric heating. Automatic control of heating.
Determination of distribution transformers power reguirement supplying electric heating. Dependence on the outdoor temperature.
Connection and protection heating appliances. Bleeder load (demand limiter).
Floor heating power supply.
EAF side effect.
Current flicker source of EAF. Types of voltage flicker.
Possibilities of flicker restriction of EAF.
Power factor compensation of EAF.
EAF mode control, computer control.
Reduction of energy consumption. PC Diagnostic
Optimization of energy mode of EAF by reactor
Asymmetric load of inductive devices.
Power supply for high frequency surface heating.
Exercises:
Proposal of power supply for direct and indirect resistance heating.
Heating with heating chains, belts and cables. Industrial applications.
Power supplies for heating with heating chains and belts. Control systems. Safety factor.
Types of electric heating, design and use.
Control and economy.of electric heating
EAF energy mode. Stages of melting and their energy demand factor.
Methods of energy mode control.
Basic parameters of electric arc. Influences of the energy transfer.
Back effects of EAF on the power system, their reduction. Voltage and power factor compensation.
Economic evaluation of the EAF operation, optimization of supply mode.
Inductive appliances, applications, power supplies. The issue of asymmetric load of inductive appliances.
Proposal of inductive devices with PC support.
Projects:
Optimization of direct resistance heating with the aid of simulation SW.
Performance characteristics of EAF.
Electrical resistance heat
Alternative power supply for electric heating. Automatic control of heating.
Determination of distribution transformers power reguirement supplying electric heating. Dependence on the outdoor temperature.
Connection and protection heating appliances. Bleeder load (demand limiter).
Floor heating power supply.
EAF side effect.
Current flicker source of EAF. Types of voltage flicker.
Possibilities of flicker restriction of EAF.
Power factor compensation of EAF.
EAF mode control, computer control.
Reduction of energy consumption. PC Diagnostic
Optimization of energy mode of EAF by reactor
Asymmetric load of inductive devices.
Power supply for high frequency surface heating.
Exercises:
Proposal of power supply for direct and indirect resistance heating.
Heating with heating chains, belts and cables. Industrial applications.
Power supplies for heating with heating chains and belts. Control systems. Safety factor.
Types of electric heating, design and use.
Control and economy.of electric heating
EAF energy mode. Stages of melting and their energy demand factor.
Methods of energy mode control.
Basic parameters of electric arc. Influences of the energy transfer.
Back effects of EAF on the power system, their reduction. Voltage and power factor compensation.
Economic evaluation of the EAF operation, optimization of supply mode.
Inductive appliances, applications, power supplies. The issue of asymmetric load of inductive appliances.
Proposal of inductive devices with PC support.
Projects:
Optimization of direct resistance heating with the aid of simulation SW.
Performance characteristics of EAF.