This paper designed a multivariable load Optical Preview Control (OPC) system for a thermal power unit, and discussed the effect of preview step number on control performance of the load OPC system.

文章针对单元机组负荷控制的特点，采用最优预见控制（OPC）策略设计了基于多变量预见控制原理的单元机组负荷最优预见控制系统，并讨论了预见步数对控制品质的影响。

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The leakage in vacuum system of steam turbine for unit no. 4 in Zhangze Power Plant decreased thermal efficiency of said unit.

漳泽发电厂4号机组汽轮机真空系统泄漏，降低了机组热效率。

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Unit ramp rate is a very important parameter for unit running, so it must be seriously concerned when dis-patching unit schedule for thermal power system.

机组爬坡率（即机组的升、降负荷能力）是火电机组正常运行的一个重要参数，因此，在编制火电系统日发电计划时必须充分考虑火电机组的爬坡率约束。

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The solar mission in its first phase focused on areas already connected to the grid and had a pricing system that bundled four units of thermal electricity with one unit of solar-based power, which reduced the average per-unit cost of solar electricity.

WSJ: India Plans Subsidies to Boost Solar-Power Sector