Rotating electrical commutator machines. Test methods 
             
            
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              3-phase synchronous machines. Test methods 
             
            
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              Rotating electrical machines. General test methods 
             
            
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              Rotating electrical machinery. General test methods. Noise levels determinations 
             
            
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              Electric machines. Methods of determination of cooling gas volume 
             
            
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              Electric rotating machines. Methods of vibration evaluation 
             
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              Electric motor frequency convertors with rated power up to 200 kW and frequency to 20000 Hz. Test methods 
             
            
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              Rotating electrical machines. Methods for determining losses and efficiency 
             
            
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              Electric generating sets and mobile power stations with internal combustion engines. Test methods 
             
            
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              Rotating electrical machines. Measurement of the winding resistance of an a.c. machine without switching-off network 
             
            
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              Rotating electrical machines. Asynchronous and synchronous motors. Determination of locked rotor temperature increase according to the time. Test methods 
             
            
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              Rotating electrical machines. Asynchronus motors. Test methods 
             
            
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