Hughes Power System

Model EOA500 -Motor Drive 

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Hughes EOA500 motor drive is a universal drive for disconnectors in electrical distribution networks and railways with the following advantages: Complete solution from a pole to SCADA system; Low maintenance. Hughes products are built to remain in operation for more than 30 years without major maintenance due to the highest quality materials used in the construction.  Easy installation and compatible with most disconnectors; Compact design;

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  • Advanced motor mechanism that provides high operation torque with low start current when the disconnector`s contacts shall open or close. Its unique design is one of the main features. The Neodymium magnetized DC motor starts rotating with high speed before the operation shaft is moving. It uses extra kinetic energy from the rotating mass as a booster in just that moment when a disconnector needs the most operation energy. The motor operation stops precise at its end position due to a regenerative function. It is a secure self locking mechanism;
  • External cabinet (1) of highest quality stainless steel. The use of stainless steel in accordance with DIN50049 / 3.1B, thanks to its non-magnetic properties, completely eliminates the occurrence of any kind of corrosion, including electrochemical corrosion over the entire life of the cabinet;
  • Special double roof (2) prevents the accumulation of the water / snow on the cabinet and protects from overheating of the internal part of the cabinet in hot climates;
  • Padlock facility handle (3) protects from unauthorized access;
  • Protection lips (4) from rain water;
  • Connector (5) for antenna remote control;
  • Rugged pole mounting brackets (6) for different pole types;
  • Door alarm switch (7) activates when the door is opened and sends the signal to the SCADA system. This feature notifies about access to the cabinet;
  • Inventive climate system (8) for long term reliability. The lower louvers have a combination of a polymeric fine filter and a PTC thermoelement, which creates a moving air stream to the upper louvers. This air stream always evens out the day and night effect. The bottom of the cabinet has 5 drainage holes with micro filter preventing water gathering in case of any condensation;
  • Inventive protection system (9) from water ingress via the outgoing drive shaft;
  • Slim body cabinet;
  • EOA500 motor mechanism with local control panel;
  • Motor control board;
  • Temperature compensated battery charger (UPS);
  • MCB’s for input power and battery;
  • Start button for UPS;
  • Batteries AGM type 2 x 12V 20 AH;
  • Internal ventilation system with special filter;
  • Heating system;

Optional components:

  • Lightning protection for the antenna connector;
  • Li-Ion batteries for high temperature climate zones, 2 x 12.8 V 20 AH;
  • Input power (110 or 230V) surge arresters;
  • Communication unit option A: GIO-100 GSM/4G/LAN Router with IEC60870-5-104 signalling protocol and IPSec encryption and IP filtering;
  • Communication unit option B: GIO-200 GSM/4G/LAN Router with IEC60870-5-104 signalling protocol and IPSec and Open VPN encryption and IP filtering;
  • Rugged mounting brackets (1) for different pole types;
  • Antenna set for GSM/4G including: antenna, multi band professional glass fibre rod, pole mounted bracket for antenna, antenna cable 8M RG-213 N-N professional connectors and surge arresters for antenna N-N connectors;
  • Voltage transformer (2) for 6/12kV, 22/27kV and 33/40kV phase to phase connected, epoxy insulated with pole mounting brackets;
  • Insulations transformer 230/230 VAC;
  • Surge arresters (3) for 6/15kV, 22/27kV and 33/40kV with mounting brackets;
  • Drop out fuses (4) for 6/15kV, 22/27kV and 33/40kV with mounting brackets;