The generation frequency in Indonesia is 50Hz. May I know what do you plan with this exactly ? Maybe I can help, because I live in Indonesia, and studying Electrical Engineering.
Mark Fairbaugh PT Newmont Nusa Tenggara Sr. Process Control Engineer e-mail: [email protected] Phone: (62)-370-636-318 Ext. 47948 Mobile: (62)-812-382-0235
which has an application called "World Voltages" that will give you 1phase, 3phase and frequency standards, tolerances, and outlet dimensions for countries around the world.