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                                          (or fault current limiter)
                                          Short-circuit limiting coupling
                                          Thyristor switched capacitor
                                          Thyristor controlled reactor
                                          Polyphase saturated reactor
                                          Synchronous condenser
                                          Series capacitor
                                          Series reactor
                                          Shunt capacitor
                                          linear/non-linear)
                                          (Switched/unswitched;
                                          Shunt reactor
                                          Braking resistors
                                          Reclosing of circuit-breakers
                                          Rapid line-switching operations:
                                          Fast turbine valving
                                          Fast AVR control

                                          Slow AVR control

                                          Transformer Tapchanging

                                          Increase no. of lines in parallel

                                          Increase transmission voltage
               control                        stability  stability  stability  change  change  to  due  etc.  support  terminals  level  level
               voltage                        steady-state  dynamic  transient  voltage  voltage  overvoltages  switching  power  short-circuit  short-circuit
               and                                      rapid  slow    converter
               stability                      Improve  Improve  Improve  Limit  Limit  Limit  lightning,  Reactive  DC  at  Increase  Decrease
               for
               Methods                                  voltage      requirements
               3.1                            Maintain  synchronism  Maintain
               Table                          1.        2.  profile  Other
   90   91   92   93   94   95   96   97   98   99   100