In April 2012 the acceptance commission has given the letter “О1” to the design documentation package of the frequency converter PCh26 U1.
The serial production of the frequency converters PCh36 U1 is planned for the year 2013.
The frequency converter PCh36 U1 transforms the 3-phase voltage of 380 V, 50 Hz into 3-phase voltage of 92..368 V, 20..80 Hz.
The frequency converter is issued to supply two air conditioners that are set on electric train ED4M and other series.
The frequency converter PCh36 U1 has a maximum output power of 47 kVA.