finished frequency control lit review

prakaa · Nov 4, 2023 · f2a6114 · f2a6114
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diff --git a/output/index.html b/output/index.html
diff --git a/output/thesis.docx b/output/thesis.docx
diff --git a/output/thesis.pdf b/output/thesis.pdf
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diff --git a/source/10_lit_review.md b/source/10_lit_review.md
diff --git a/source/13_reserves.md b/source/13_reserves.md
@@ -8,7 +8,7 @@ Link to the rest of the thesis
 
 Across several power systems with market frameworks, policy-makers are proposing that balancing flexibility requirements emerging during energy transition be addressed through new reserve product markets. However, these may introduce additional costs, constraints and complexity and even encroach upon the functions of existing operational practices. Thus, policy-makers need to assess and compare flexibility design options, and quantifying system flexibility capabilities based on current and expected resource mixes can assist in achieving this. In this article, we offer a practical method to quantify the time-varying spectrum of upwards and downwards flexibility capabilities in systems, and subsequently apply it to historical and projected resource mixes in two regions of the Australian National Electricity Market. Our results suggest that with higher penetrations of renewable energy: 1) downwards flexibility margins can be exhausted around noon if wind and solar are unable or unwilling to provide it, 2) upwards flexibility becomes more scarce during morning and evening peak demand events and 3) a greater portion of upwards flexibility is provided by energy-limited resources. Given these trends, we recommend that policy-makers examine how existing operational practices can be augmented to elicit upwards flexibility provision, and that duration specifications and sustained footroom procurement be considered for reserve products.
 
-## Introduction
+## Introduction {#sec:reserves-intro}
 
 The reliable and secure operation of power systems is contingent upon locational and temporal balancing of active power supply and demand. As jurisdictions progressively decarbonise electricity supply through considerable capacity additions of variable renewable energy (VRE) and the retirement of carbon-intensive conventional generation, the nature of short-term risks to system balancing (i.e. those of concern over the range of seconds to days) is changing. The most notable of these short-term risks are [@elaOperatingReservesVariable2011]: