Dear Friend!
Hi
Without you schematic , how can i help you? what kind of power supply? AC or DC? did you used compensation network? the open loop gain of op amps are about infinite. so thus the BW is low without feed back . but you can use a compensation network . by the way , if you want to build a current limiter , why you don't use comparators such as lm311?
For more information , it is important to more describe about your circuit.
Best Wishes
Goldsmith