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随着电网的变化,对弹性和可持续电力解决方案的需求更加迫切,而且微电网已经成为电力公司以及商业和工业企业应对电网新挑战和新要求的工具。虽然很多公司面临缩减成本并降低微电网控制器质量的诱惑,但这样做就像是风险超大的赌博。如果没有良好的控制系统,您的微电网可能只是一堆零散的昂贵设备,无法很好地协同工作,或者容易遭到黑客攻击。

强大的控制系统对操作先进的微电网至关重要。GridMaster微电网控制系统简化了微电网固有的复杂性,可以轻松地与多个不同的能源资产集成并进行通信。此先进的系统中嵌入了军事级别的网络安全协议,以阻止日益增加的网络攻击威胁,并提供了直观的用户界面和较好的灵活性,可根据您的需求变化进行扩展

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案例研究

Ameren微电网

具有16使用案例的公用事业规模微电网

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北湾水电

微电网凭借有弹性的电力枢纽保障可持续的社区电力供应

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Economic Dispatch

The GridMaster controller offers economic dispatch capabilities through an easy-to-use interface.  In locations with high electricity rates or utility incentives, the GridMaster can control the grid assets to provide continuous revenue and lower overall lifetime system costs.

Economic dispatch compares the cost of purchasing electricity from all resources, including the utility system and all local microgrid DERs.  These costs are used to determine how to dispatch each resource.  For electricity charges, both energy and peak demand charges are considered along with any seasonal and time-of-use variations.  The economic dispatch algorithm accounts for any reasonable combination of time-of-use, block rates, and seasonal variations in both electrical and fuel costs.  The GridMaster microgrid control system provides an intuitive interface for entering and editing these parameters.

GridMaster Controller Interface - Update Utility Rate
GridMaster Controller Interface - Update Utility Rate Time of Use Periods

The GridMaster economic dispatch routines account for several different cost-saving possibilities:

  • Demand reduction is used at installations where the facility is subject to high demand charges. Adaptive algorithms look at the recent history of energy use to determine the electricity use thresholds for dispatching local sources.

  • Energy arbitrage is used if there is energy storage available along with favorable time-of-use price differences in electricity.  The GridMaster stores energy at times of low energy prices and then uses that energy to offset grid electricity use when the prices are high.

  • “Spark-spread” dispatch can occur when the cost of turning on and running a generator is less than the cost of purchasing an equivalent amount of energy.  This strategy is typically used when fuel (e.g. natural gas) prices are low and energy prices are high.  At installations with time of use electricity prices, spark spread dispatch can reduce energy costs during peak periods.

In all cases, maintenance and operating costs of the equipment are accounted for when deciding to operate a power source.  An easy-to-read savings page displays in real time how much money you have saved, both in the current and previous billing period as well as since the start of the year.

GridMaster Controller Interface - Estimated Savings

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