![]() The enrollment expands the utilities’ ability to incorporate additional renewable energy while continuing to meet the energy needs of their customers, reliably and cost effectively. The two utilities serve a combined 600,00 electric customers in the Pacific Northwest. NAES performs all required studies to establish compliance.Avista Utilities and Tacoma Power on March 2 began their participation in the Western Energy Imbalance Market (WEIM) operated by the California Independent System Operator Corp. Entities are typically notified by the Planning Coordinator when an analysis is required. PRC-026 requires applicable entities to perform load responsive relay settings analyses based on criteria identified within the Standard. NAES utilizes predefined calculation options as well as simulations to determine a facility’s compliance status and development of new relay settings if required. PRC-025 establishes minimum settings requirements for load-responsive relays protecting generators, step up transformers, and auxiliary transformers. NAES can complete protection settings analyses and provide compliance documentation that clearly identifies protection settings as they relate to NERC’s “no trip” zones. PRC-024 requires applicable entities to ensure generator protective relays do not trip within predefined frequency and voltage limits. NAES provides full engineering analyses to maintain compliance with this Standard. PRC-023 requires load responsive protective relays be set according to criteria within the Standard to ensure settings do not limit transmission loadability. NAES produces PRC-019 specific coordination studies for both traditional generators and renewable projects to establish compliance with the Standard. PRC-019 requires applicable entities to show coordination between voltage regulating controls, limiters, equipment capabilities, and protection settings. NAES can assist with the design and installation of DME as well as ongoing compliance support. PRC-002 requires the installation and operation of disturbance monitoring equipment (DME) for applicable entities. NAES offers both procedural documentation and engineering services to establish the required coordination for both PRC-001 and PRC-027. PRC-001 requires entities to coordinate protection system changes with other affected parties. The following links will allow entities to determine when to expect their individual data requests (phase) and what data will be required (category).ĬAISO Transmission Planning Website CLOSE NAES is prepared to assist entities with data aggregation, modeling, and testing to ensure compliance with CAISO’s data requests. ![]() These models must be verified using criteria listed in the BPM, which can only be performed by entities with modeling software and knowledge of modeling practices. New data requirements include voltage and frequency protection models, power flow models, and in some cases, sub-synchronous resonance models. While additional requirements have been placed on larger NERC registered facilities, these changes may pose an even greater burden to entities that have been exempt from NERC mandated modeling and protection requirements. Section 10 of the BPM establishes revised data requirements and compliance procedures for all participating generators including non-NERC registered entities. On August 1, 2018, CAISO introduced a revised Business Practice Manual for Transmission Planning Process (BPM), which includes new data requirements for interconnected generation resources within the ISO’s footprint. You should allow time for at least one iteration with CAISO so that you are complete and deemed compliant before your deadline. ![]()
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