A short circuit in a generator was responsible for the Nov. 28 shutdown of a… ENLARGE A short circuit in a generator was responsible for the Nov. 28 shutdown of a power unit at the Zaporizka plant, the largest nuclear station in Europe. Reuters Already facing a plunging currency and an armed conflict with pro-Russia militants, Ukrainians were also enduring blackouts this week after a fault knocked out a generator at a nuclear-power station and other plants ran low on coal. Energy Minister Volodymyr Demchyshyn said on Wednesday that he would meet with regional officials to arrange voluntary restrictions on electricity usage and switch some enterprises to nighttime production. Officials blamed the power shortage on repairs of a generator that was damaged Nov. 28 at the Zaporizka nuclear plant, the largest in Europe, as well as low stocks of coal caused by fighting in the main eastern mining region. […]