“Advanced Inverter Control” at DistribuTECH

Folsom, Calif. – Trimark Associates, Inc. will present on the topic of “Advanced Inverter Controls” at the DistribuTECH 2014 conference in San Antonio, Texas, January 28-30. The presentation will discuss new solutions that intermittent power resources must deploy to comply with new Federal Energy Regulatory Commission (FERC) requirements.

“The California ISO’s (CAISO) implementation of FERC order 764 requires intermittent resources to forecast and schedule production 37.5 minutes before any 15 minute period. They must also respond to dispatch orders,” said Mark Morosky, Trimark’s President. “When the dispatch requires an amount that’s less than the resource’s capability, operators will need to curtail output to a specific wattage.”

The presentation will discuss emerging requirements for controlling photovoltaic (PV) and other intermittent resources. The presentation will also discuss new business practices and market design to be deployed by the CAISO. In anticipation of these and future requirements, “many PV developers are already requesting the ability to control Voltage, VARs, and Power Factor,” said Morosky. These requirements are being driven by IEC 61850, an industry standard that is defining a common language and methodology for controlling intermittent resources.

While FERC and the CAISO are concerned with power delivered to the grid, PV resource owners want to minimize wear and tear on expensive equipment that can be caused by forcing variations in generation levels and delivery of power outside of unity. “PV control systems must have the ability to control the rate of change and how that change is deployed across inverters,” said Morosky.

Trimark has taken strides toward addressing these industry needs with the introduction of T1-S Solar Controller. This SCADA system was designed specifically to control photovoltaic (PV) power generation. T1-S is built on field proven technology and is a CAISO-accredited RIG. T1-S Solar Controller enables secure adjustments to inverter set point algorithms including frequency, power factor, voltage and watts. Both real and reactive set points may originate from an operator or from an authorized external authority (e.g. local utility or ISO).

In addition to the presentation, Trimark will be exhibiting at DistribuTECH in booth number 4177.

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