Page 231 - Offshore Electrical Engineering Manual
P. 231
218 CHAPTER 3 Motor Faults and Protection
FIGURE 4.3.1
Basic thermal overload element of a P&B Golds relay.
Courtesy P&B Engineering Ltd.
FIGURE 4.3.2
Schematic of a typical electronic thermal replica relay.
STATIC AND MICROPROCESSOR-BASED RELAY TYPES
Examples of static and microprocessor-based relay types currently available (in
2017) are shown in Table 4.3.1.
