Discuss 5 out of the 10 essential services in Public Health.
Lac La RongeIndian Band
A Case Study
Ideas for Presentation Topics
Potential topics for student presentations – students may choose from outside of this list, this is just a list of topics chosen by students in the past:
Focus on an issue/set of communities:
• Coastal First Nations and the Great Bear Initiative
• Kapyong Barracks
• Wuskwatim hydroelectric project and its impact on NCN
• Keeyask dam and its effects on Tataskweyak Cree Nation, Fox Lake Cree Nation, War Lake First Nation and York Factory First Nation
• Duwamish tribe and the “real-rent” movement
• Angry Inuk and the debate around seal hunting
• Inuit education
• Pipelines and First Nations
• Metis settlements in Alberta
• Cultural Tourism: Pacific Rim National Park Reserve
Focus on a particular community:
• Swan Lake First Nation
• Membertou First Nation
• Resolute, Nunavut
• Long Plain First Nation
• Shoal Lake 40
• Heiltsuk, Bella Bella
• Brokenhead Ojibway Nation
• Onion Lake Cree Nation
• Garden Hill First Nation
• Muskeg Cree Nation
• Opaskweyak Cree Nation
• Grassy Narrows First Nation
• Norway House Cree Nation
• Osooyos Indian Band
• Nisichawayasihk Cree Nation (NCN)
• Rainy River First Nation
• Fisher River Cree Nation
• Wagmatcook First Nation
• Peguis First Nation
• Miawpukek Nation
• Norway House Cree Nation
All the questions are related to the operation and control of an isolated system whose one- line diagram is given below.
1 2 Gen 1, 2,3
69 kV, 50 MVA
Xg = 0.05 pu
lines are identical with z = j 0.002 pu/mi; b = 0.005 pu/mi
TR: 100 MVA, x= 0.05 pu Sb = 50 MVA
Vb = 69 kV at bus 1
The generators each has M = 100 MW.sec. and is equipped with a governor with a droop range of 0.5
– 5%. The load has Dwo = 0.2 MW.
A basic model for the power-frequency control loop for the generators is given below.
Q1 (30) You are asked to do contingency screening for this system.
During the peak load condition the operating point is determined as follows:
V = 1.0000/0o 1.0000/3.2727o 0.9819/-1.4006o 0.9332/-7.6657o pu
Suggest two solutions, and point out which one is a better choice in one-two sentences.
Q2 (35) You are asked to analyze the power-frequency variations in case of a loss of a generator.
Determine proper droop settings of generators to satisfy this requirement. It is desired that all generators to have the same droop settings.
Q3 (35) You are asked to determine economic dispatching of the generators.
Generators G1 and G2 each has heat curve h = 2 + (P+2)2 Mbtu/h and the fuel cost of 0.4 $/Mbtu. Generator G3 has the heat curve: h = 4 + (P+3)2 Mbtu/h and the fuel cost of 0.6 $/Mbtu.
All gens has a limit of 1< P <45 MW. Assume system power loss is negligible.
i) (15) How would you dispatch the generators for the load of 80 MW, so that the total cost of supplying the load will be minimized?
ii)(10) To serve the same load, the system operator wants to dispatch the generators G1, G2, G3 at 30, 30, 20 MW, respectively. Calculate the total cost associated with this dispatch. Is this optimal dispatch?
iii) (10) Utility installs a Generation Control Scheme for this system to be used at their control center to
help with controlling the generators. Draw a “MW Setpoint Control Logic” diagram illustrating the typical implementation of the total generation control scheme in practice. Show clearly the main components used to determine the “MW target” signals sent to the generators.
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