Abstract: Electrical apparatus to kill a plant or at least attenuate plant growth, the apparatus comprising: an electrical energy supply unit; an applicator unit comprising an applicator electrode; a return unit comprising a return electrode; electrical circuitry; the electrical energy supply unit arranged to apply electrical energy through a transmission circuit comprising the applicator electrode, a plant, and the return electrode, the electrical circuitry implemented to: determine if a temperature of the apparatus has crossed a temperature threshold, and; determine if one or more electrical properties of the electrical energy has crossed an associated electrical property threshold(s); and if either the temperature or the one or more electrical properties has crossed the respective temperature threshold or electrical property thresholds, then to control one or more electrical properties of the of the electrical energy to reduce the temperature and/or electrical property that has exceeded the threshold.

Abstract: An electrical energy processing unit of an apparatus to kill a plant or at least attenuate plant growth is disclosed. The electrical energy processing unit includes a converter and a control circuit. Also disclosed are an apparatus that includes the electrical energy processing unit and a method of utilizing the apparatus. Further disclosed are a computer program for a processor of the control circuit of the electrical energy processing unit and a non-transitory computer readable medium that includes the computer program.

Abstract: An electrical apparatus to kill a plant or at least attenuate plant growth, the apparatus comprising: an electrical energy supply unit; an applicator unit comprising an applicator electrode; a return unit comprising a return electrode; electrical circuitry; the electrical energy supply unit arranged to apply electrical energy through a transmission circuit comprising the applicator electrode, and the return electrode, wherein said electrical circuitry implements a plant treatment mode and a detection mode, wherein the electrical circuitry in the detection mode to determine a plant in operative proximity to the transmission circuit, and based on said determination activate the plant treatment mode in which treatment electrical energy, for killing or at least attenuating plant growth, is applied through the transmission circuit.

Abstract: An electrical apparatus to kill a plant or at least attenuate plant growth, the apparatus comprising: an power supply unit; an applicator unit comprising an applicator electrode; an return unit comprising an return electrode; electrical circuitry; the power supply unit arranged to apply electrical energy through a transmission circuit comprising the applicator electrode, and the return electrode, wherein said electrical circuitry implements a detection system to determine a condition of electrical arcing of the electrical energy from one or both of said electrodes, the electrical circuitry arranged to control the electrical energy through the transmission circuit to at least partially reduce the electrical arcing based on said determined condition of electrical arcing.

Abstract: Electrical apparatus to kill a plant or at least attenuate plant growth, the apparatus comprising: an electrical energy supply unit; a applicator unit comprising an applicator electrode; a return unit comprising a return electrode; the electrical energy supply unit arranged to apply electrical energy through a transmission circuit comprising the applicator electrode, and the return electrode, the electrical energy supply unit including a plurality of transformers, each transformer having a low voltage side and a high voltage side, wherein the high voltage sides of the transformers are electrically connected to implement transmission circuit, and/or the low voltage sides of the transformers are electrically connected.

Abstract: An electrical energy processing unit of an apparatus to kill a plant or at least attenuate plant growth is disclosed. The electrical energy processing unit includes a converter and a control circuit. Also disclosed are an apparatus that includes the electrical energy processing unit and a method of utilizing the apparatus. Further disclosed are a computer program for a processor of the control circuit of the electrical energy processing unit and a non-transitory computer readable medium that includes the computer program.

Abstract: Electrical apparatus to kill a plant or at least attenuate plant growth, the apparatus comprising: an electrical energy supply unit; an applicator unit comprising an applicator electrode; a return unit comprising a return electrode; electrical circuitry; the electrical energy supply unit arranged to apply electrical energy through a transmission circuit comprising the applicator electrode, a plant, and the return electrode, the electrical circuitry implemented to: determine if a temperature of the apparatus has crossed a temperature threshold, and; determine if one or more electrical properties of the electrical energy has crossed an associated electrical property threshold(s); and if either the temperature or the one or more electrical properties has crossed the respective temperature threshold or electrical property thresholds, then to control one or more electrical properties of the of the electrical energy to reduce the temperature and/or electrical property that has exceeded the threshold.

Abstract: Electrical apparatus to kill a plant or at least attenuate plant growth, the apparatus comprising: an electrical energy supply unit; an applicator unit comprising an applicator electrode; a return unit comprising a return electrode; the electrical energy supply unit arranged to apply electrical energy through a transmission circuit comprising the applicator electrode, a plant, and the return electrode, a Faraday enclosure arranged to block electromagnetic radiation emitted from the electrical energy.

Abstract: An electrical apparatus to kill a plant or at least attenuate plant growth, the apparatus comprising: an electrical energy supply unit; an applicator unit comprising an applicator electrode; a return unit comprising a return electrode; electrical circuitry; the electrical energy supply unit arranged to apply electrical energy through a transmission circuit comprising the applicator electrode, and the return electrode, wherein said electrical circuitry implements a plant treatment mode and a detection mode, wherein the electrical circuitry in the detection mode to determine a plant in operative proximity to the transmission circuit, and based on said determination activate the plant treatment mode in which treatment electrical energy, for killing or at least attenuating plant growth, is applied through the transmission circuit.

Abstract: An electrical energy processing unit of an apparatus to kill a plant or at least attenuate plant growth is disclosed. The electrical energy processing unit includes a converter and a control circuit. Also disclosed are an apparatus that includes the electrical energy processing unit and a method of utilizing the apparatus. Further disclosed are a computer program for a processor of the control circuit of the electrical energy processing unit and a non-transitory computer readable medium that includes the computer program.