Modeling, Data and Analysis
Purpose
To establish consistent validation requirements to facilitate the collection of accurate data and building of planning models to analyze the reliability of the interconnected transmission system.
Applicability
4.1. Functional Entities:
4.1.1 Planning Authority and Planning Coordinator (hereafter referred to as “Planning Coordinator”)
“Planning Coordinator”) This proposed standard combines “Planning Authority” with “Planning Coordinator” in the list of applicable functional entities.
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Purpose
To prevent instability, uncontrolled separation, or cascading outages that adversely impact the reliability of the interconnection by ensuring prompt action to prevent or mitigate instances of exceeding Interconnection Reliability Operating Limits (IROLs).
Applicability
4.1.1 Each Transmission Operator that uses the Flowgate Methodology to support the calculation of Available Flowgate Capabilities (AFCs) on Flowgates.
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Purpose
To increase consistency and reliability in the development and documentation of transfer capability calculations for short-term use performed by entities using the Rated System Path Methodology to support analysis and system operations.
Applicability
4.1 Each Transmission Operator that uses the Rated System Path Methodology to calculate Total Transfer Capabilities (TTCs) for ATC Paths.
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Purpose
To prevent instability, uncontrolled separation, or cascading outages that adversely impact the reliability of the interconnection by ensuring prompt action to prevent or mitigate instances of exceeding Interconnection Reliability Operating Limits (IROLs).
Applicability
4.1. Functional Entities
4.1.1 Planning Authority and Planning Coordinator (hereafter collectively referred to as “Planning Coordinator”)
This proposed standard combines “Planning Authority” with “Planning Coordinator” in the list of applicable functional entities.
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Purpose
To ensure that accurate information on generator gross and net Real and Reactive Power capability and synchronous condenser Reactive Power capability is available for planning models used to assess Bulk Electric System (BES) reliability.
Applicability
4.1. Functional Entities
4.1.1 Generator Owner
4.1.2 Transmission Owner that owns synchronous condenser(s)
4.2.
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Purpose
To establish consistent modeling data requirements and reporting procedures for development of planning horizon cases necessary
Applicability
4.1. Functional Entities
4.1.1 Balancing Authority
4.1.2 Generator Owner
4.1.3 Load Serving Entity
4.1.4 Planning Authority and Planning Coordinator (hereafter collectively referred to as “Planning Coordinator”)
This proposed standard combines “Planning Authority” with “Planning Coordinator” in the list of applicable functional entities.
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Purpose
To verify that the turbine/governor and load control or active power/frequency control 1 model and the model parameters, used in dynamic simulations that assess Bulk Electric System (BES) reliability, accurately represent generator unit real power response to system frequency variations.
Applicability
4.1.
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Purpose
To verify that the generator excitation control system or plant volt/var control function1 model (including the power system stabilizer model and the impedance compensator model) and the model parameters used in dynamic simulations accurately represent the generator excitation control system or plant volt/var control function behavior when assessing Bulk Electric System (BES) reliability.
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Purpose
To increase consistency and reliability in the development and documentation of Transfer Capability calculations for short-term use performed by entities using the Area Interchange Methodology to support analysis and system operations.
Applicability
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Purpose
To ensure that assessments and validation of past events and databases can be performed, reporting of actual demand data is needed. Forecast demand data is needed to perform future system assessments to identify the need for system reinforcement for continued reliability. In addition to assist in proper real-time operating,
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