The heart of the plasma gasifier is hafnium cathode based air plasma torch. Torch take air from atmosphere and produce long jet of large volume air plasmawith a maximum core temperature around 9000K and electro-thermal efficiency of 60% or more. The torch is energized from a 25 kW, 150A DC plasma power source consists of a main arc DC power supply and a 3kV, 3 MHz trigger unit.Trigger unit is inductively coupled with main arc power supply.Gasification is the process of breaking of organic bonds using extremely hot air in an oxygen deficient environment, and conversion of the organic material into fuel gas. Plasma gasification technology provides an attractive means to treat most types of waste including municipal, nuclear and other solid wastes in an environment friendly manner. Usual low temperature burning has the issues of producing carcinogenic substances like dioxin, furan and other pollutants like NOX and SOX. In plasma gasification as no pollutant is generated and synthesized gas (syn gas) can be used as fuel for heat/electricity generation,the technique drastically reduces requirement of external supply of energy and mitigates waste in an environment friendly manner.
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The power source of 25 kW, 150A DC for Thermal Plasma torch consists of a main arc DC power supply and a trigger unit. The trigger unit initiates arc and main arc power supply gives energy to maintain it. The main arc power supply have fast response to enable stabilizing the plasma. The main arc power source is based on 25 kHz IGBT inverter operating in constant current mode. 3kV, 3 MHz trigger unit is based on capacitor discharge through spark gap. Trigger unit is inductively coupled with main arc power supply.
The power source was developed for energizing the 25 kW/30 kW Air plasma torch developed by BARC, alternately this power source can used to energize any plasma torch with voltage requirement of 170 volts and current requirement of upto 150 A. Further the basic power source could be used as any application demanding a constant current power supply.
The power source of 25 kW, 150A DC for Thermal Plasma torch consists of a main arc DC power supply and a trigger unit. The trigger unit initiates arc and main arc power supply gives energy to maintain it. The main arc power supply have fast response to enable stabilizing the plasma. The main arc power source is based on 25 kHz IGBT inverter operating in constant current mode. 3kV, 3 MHz trigger unit is based on capacitor discharge through spark gap. Trigger unit is inductively coupled with main arc power supply.
The power source was developed for energizing the 25 kW/30 kW Air plasma torch developed by BARC, alternately this power source can used to energize any plasma torch with voltage requirement of 170 volts and current requirement of upto 150 A. Further the basic power source could be used as any application demanding a constant current power supply.
RAW MATERIALS
The raw material required are electrical components like IGBT, Transformers, filters, rectifier, electronic control card etc., PCB manufacturing and components mounting, Panel fabrication and transformer manufacturing which can be purchased from below vendors:
EQUIPMENTS
SPACE
POWER
MANPOWER
