Aircraft Voltage Regulator Wiring

The alternator provides power to electrical devices like lights and avionics and also charges the aircraft battery. The job of the voltage regulator is to adjust the field current so the alternator output is at a constant voltage nominally 28 25v. Application information faq installation instructions maintenance manuals service documents troubleshooting warranty faa approvals.

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Most aircraft voltage regulators used today are solid state and no longer have the trouble prone contact points and coils.

Aircraft voltage regulator wiring. If more output current is being consumed than is being generated the voltage drops and the regulator increases the field voltage to keep up with the demand. The voltage regulator continuously monitors the bus voltage and adjusts the output of the alternator. Simplicity 700 725 b1 garden mark wiring made simple. Aircraft alternators are externally regulated by a voltage regulator sometimes called an alternator controller which is usually mounted either on the firewall in the engine compartment or under the instrument panel.

Where you ll find answers to many of your questions about aircraft alternators and voltage regulators. After testing the alternator if the problem with the charging system still hasn t been found look at the voltage regulator next. Lamar quality products are well known in the general aviation industry and are installed on over eighty five percent of existing single and twin engine piston and turbine aircraft. The regulator works when it is powered from a bus through a wire called the field wire.

Most aircraft voltage regulators used today are. Providing standard products such as voltage regulators and monitors as well master control units lamar is combining innovative thinking with precision quality. The plane power brand delivers aircraft alternators with outstanding performance value and installation flexibility. Vibrating point voltage regulator for generators duration.

Voltage regulator installed on the firewall of a cessna. This regulator has only three wires a common configuration. Aircraft wiring usually consists of tin coated copper stranded wire covered by insulation. As such regulator problems other than basic adjustments are minimal.

Oem wiring is usually coded about every six to twelve inches. Some wires are also reinforced with nylon. Until the early 90 s wire was insulated with pvc but it has since been phased out and replaced with tefzel. After testing and acceptance of the alternator if the problem with the charging system still hasn t been found look at the voltage regulator next.