I want to buy a GENMAX HY6500 GENERATOR FOR 220/240 VOLTS but is wondering if this generator is good. I saw one sold at $1,239 and on another site it was $299.00. I was adviced not to buy Wolf power because of poor customer ratings. I haven't seen any customer rating for GENMAX. I guess this is a Chinese company.The problem I am having in US is that I canot get a 50hz 220-240 volt generators. All I get is 60hz and I am told thy wouldn't work for Africa. Can anybody help?
You can probably get them in Africa proper, and at a better price too, with local support included, minus the shipping cost. When buying a portable generator, check which fuel it uses. Diesel engines last much longer than gasoline. Also, these units are not made to run continuously, but only for emergency or temporary power.and must run isolated from the regular power network. If you want to run more than one and have a small power plant, you need stationary units and a synchronizing panel, with circuit breakers etc. .
There is very little equipment made for one frequency that won't work just fine on the other frequency, (50 vs 60 Hz). The only problem you would run into is where a synchronous motor needs to run at an exact speed, such as tape recorders. But almost everything made today will function just fine on either 50 or 60 Hz. Actually, a 60 Hz generator can be made to put out 50 Hz by re-adjusting the governor to run the motor a little slower. For instance, if it is a 2-pole generator operating at 3600 RPM, the motor could be adjusted to run at 3000 RPM. If the generator was 4 poles, designed to run at 1800 RPM, readjusting the governor to run at 1500 RPM would do the trick. The only problem you might encounter would be slightly lower voltage - 100/200 Volts - but the the automatic voltage regulator should handle that just fine by increasing the field voltage/current.
