A new survey of small companies finds most owners report recurring cash flow problems—and many missed opportunity due to those—but do little to prepare for or avert them.

The high penetration rate of smart devices such as storage elements brings new challenges to the optimal power flow (OPF) problem in power systems, which is generally nonconvex and difficult to be ...

Optimal power flow (OPF) programs must be able to provide sound operating points for power systems under different conditions while meeting a large number of constraints. These constraints, however, ...