ARMY TM 9-6115-464-12 AIR FORCE TO 35C2-3-445-1 NAVY NAVFAC P-8-624-12 Table 1-1. Differences in Performance Characteristics MEP 004A MEP  103A MEP 113A 1. Voltage regulation: (a) Dip with application of rated load. (b) Rise with rejection of rated load. (c) Dip with application of simulated motor load. (d) Adjustment range Vac 20%  (max) 20%  (max) 40%  (max) 50 Hz: 380-426 60 Hz: 395-480 15%  (max) 15% (max) 30%  (max) 50 Hz: 380-426 60 Hz: 395-480 12%  (max) 12%  (max) 25% (max) 400 Hz: 395-458 2. Frequency: (a)  Regulation (b) Short term steady state stability (c) Long term steady state stability (d) Undershoot with application of (e)  Recovery  time  after  application of rated load (f) Overshoot with rejection of (g) Recovery time after rejection of rated load (h) Drift (60° F temperature change) (i)  Approximate  adjustment range) 2.0 to 3.0% of rated frequency Within 2.0% bandwidth Within 3% bandwidth 4% of rated frequency (max) 3  seconds  (max) 3% of rated frequency (max) 3  second  (max) 1%  rated  frequency (max) 58 to 62 Hz for 60 Hz operation (48 to 52 Hz for 50 Hz operation) 0.25% of rated frequency Within 0.5% bandwidth Within 1%  bandwidth 1.5% of rated frequency  (max) 1 second (max) 1.5% of rated frequency  (max) 1 second (max) 0.5% rated frequency (max) 58 to 62 Hz for 60 Hz operation (48 to 52 Hz for 50 Hz operation) 0.25% of rated frequency Within 0.5% bandwidth Within 1% band- width 1.5% of rated frequency (max) 1 second (max) 1.5% of rated frequency (max) 1 second (max) 0.5%  rated frequency (max) 390 to 410 Hz 1-13