MD-11
Flight Crew Instrument; Flight Crew Air Transport Pilot (ATP); Flight Crew Multiengine
Situational Awareness
Aircraft Equipment Problem Less Severe
Flight Crew Landed As Precaution; Flight Crew Returned To Departure Airport
Aircraft
During climb out; passing approximately 17;000 feet we received a level 1 alert 'EMER PWR ON' alert. We selected the electrical synoptic and noticed that battery voltage at 27 volts. We consulted the QRH [Quick Reference Handbook]; deployed the ADG [Air Driven Generator]; and diverted back to ZZZ.
MD-11 First Officer reported returning to departure airport after experiencing an electrical anomaly that resulted in ADG [Air Driven Generator] deployment.