An electrical power generation system, comprising: a micro turbo alternator, including: a combustion chamber; a turbine driven by combustion gases from the combustion chamber; a compressor operably connected to the combustion chamber to provide a compressed airflow thereto; a shaft connecting the turbine to the compressor such that rotation of the turbine drives rotation of the compressor; and a permanent magnet generator disposed along the shaft such that electrical power is generated via rotation of the shaft; characterized by: a cyclonic dirt separator operably connected to a compressor inlet, the cyclonic dirt separator including: an air inlet; and an air exhaust disposed at opposing ends of a housing; wherein the cyclonic dirt separator is configured to induce circumferential rotation into the airflow entering through the air inlet, and separate the airflow into a clean airflow and a relatively dirty airflow, such that the relatively dirty airflow flows through the air exhaust and the clean airflow is directed to the compressor inlet; and by: a thermoelectric energy recovery unit operably connected to the micro turbo alternator, wherein the thermoelectric energy recovery unit discharges a discharge airflow into the dirt separator via an outlet air passage. a micro turbo alternator, including: a combustion chamber; a turbine driven by combustion gases from the combustion chamber; a compressor operably connected to the combustion chamber to provide a compressed airflow thereto; a shaft connecting the turbine to the compressor such that rotation of the turbine drives rotation of the compressor; and a permanent magnet generator disposed along the shaft such that a combustion chamber; a turbine driven by combustion gases from the combustion chamber; a compressor operably connected to the combustion chamber to provide a compressed airflow thereto; a shaft connecting the turbine to the compressor such that rotation of the turbine drives rotation of the compressor; and a permanent magnet generator disposed along the shaft such that electrical power is generated via rotation of the shaft; characterized by: a cyclonic dirt separator operably connected to a compressor inlet, the cyclonic dirt separator including: an air inlet; and an air exhaust disposed at opposing ends of a housing; wherein the cyclonic dirt separator is configured to induce circumferential rotation into the airflow entering through the air inlet, and separate the airflow into a clean airflow and a relatively dirty airflow, such that the relatively dirty airflow flows through the air exhaust and the clean airflow is directed to the compressor inlet; and by: a thermoelectric energy recovery unit operably connected to the micro turbo alternator, wherein the thermoelectric energy recovery unit discharges a discharge airflow into the dirt separator via an outlet air passage. a cyclonic dirt separator operably connected to a compressor inlet, the cyclonic dirt separator including: an air inlet; and an air exhaust disposed at opposing ends of a housing; wherein the cyclonic dirt separator is configured to induce circumferential rotation into the airflow entering through the air inlet, and separate the airflow into a clean airflow and a relatively dirty airflow, such that the relatively dirty airflow flows through the air exhaust and the clean airflow is directed to the compressor inlet; and by: an air inlet; and an air exhaust disposed at opposing ends of a housing; wherein the cyclonic dirt separator is configured to induce circumferential rotation into the airflow entering through the air inlet, and separate the airflow into a clean airflow and a relatively dirty airflow, such that the relatively dirty airflow flows through the air exhaust and the clean airflow is directed to the compressor inlet; and by: a thermoelectric energy recovery unit operably connected to the micro turbo alternator, wherein the thermoelectric energy recovery unit discharges a discharge airflow into the dirt separator via an outlet air passage.