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| -rw-r--r-- | ma/safety_reset.tex | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/ma/safety_reset.tex b/ma/safety_reset.tex index 4434453..63edbac 100644 --- a/ma/safety_reset.tex +++ b/ma/safety_reset.tex @@ -1435,10 +1435,10 @@ In conclusion we end up with the following tunable parameters for a grid frequen controllable load: \begin{description} - \item[Modulation amplitude] proportionally related to modulation power. In a practical setup we might realize a - modulation power up to a few hundred \si{\mega\watt} which would yield maybe a few tens of \si{\milli\hertz} of - frequency amplitude. - \item[Modulation pre-emphasis and slew-rate control]. Pre-emphasis might be necessary to ensure an adequate + \item[Modulation amplitude.] Amplitude is proportionally related to modulation power. In a practical setup we might + realize a modulation power up to a few hundred \si{\mega\watt} which would yield maybe a few tens of + \si{\milli\hertz} of frequency amplitude. + \item[Modulation pre-emphasis and slew-rate control.] Pre-emphasis might be necessary to ensure an adequate Signal-to-Noise ratio (SNR) at the receiver. Slew-rate control and other shaping measures might be necessary to reduce the impact of these sudden load changes on the transmitter's primary function (say, aluminium smelting) and to prevent disturbances to grid components. @@ -1447,7 +1447,7 @@ controllable load: excitation of some local or inter-area modes. On the other hand we need to optimize Signal-to-Noise ratio (SNR) and data rate to achieve optimal latency between transmission start and successful reception and to reduce the overall burden on transmitter and grid. - \item[Further modulation parameters]. The modulation itself has numerous parameters that are discussed in sec.\ + \item[Further modulation parameters.] The modulation itself has numerous parameters that are discussed in sec.\ \ref{mod_params} below. \end{description} @@ -1856,6 +1856,8 @@ worse than algorithms involving more complex models under some conditions but th that more complex perform worse when the input signal deviates from their models. \subsection{Frequency sensor hardware design} +% FIXME: link to schematics in appendix +% FIXME: include pics of finished board and device \label{sec-fsensor} Our safety reset controller will have to measure mains frequency to later demodulate a reset signal transmitted through |