N-3Redacted NSPI (NSUARB) IR-1 to IR-20 7/16/2010
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6 7 8 9 10 11 NSPI has completed an economic analysis of system costs with and without Tufts Cove 6, with duct-firing and without duct-firing. The analysis utilizes two cases, Port Hawkesbury (PH) Biomass Project Base Case Plan A and High...
AI summary NSPI conducted an economic analysis of the Tufts Cove 6 project, considering scenarios with and without duct-firing. The analysis uses two cases based on the 2009 IRP Update assumptions and shows that the net present value remains positive with duct-firing.
NON-CONFIDENTIAL 1 filing is that the project economics are no longer driven primarily by the 2 combined cycle conversion. 3 4 This change is the result of the reduced load assumed in the Base Load World. 5 Under this assumption, Tufts Cov...
AI summary The project economics have shifted due to reduced load assumptions in the Base Load World, leading to lower forecast dispatch for Tufts Cove Units 4 and 5. This has resulted in a negative NPV for the combined cycle conversion without duct-firing. The analysis assumes traditional NSPI load growth levels and notes that the economic analysis lacks the same parameter sensitivities as the 2009 IRP, particularly regarding potential lower natural gas prices.
OR Resource Conservation An objective of this Code is to limit the probability that, as a result of the design or construction of a building , a natural resource will be exposed to an unacceptable risk of depletion or the capacity of the i...
AI summary The objective of this Code is to limit the risk of natural resource depletion and infrastructure overuse due to building design and construction.
Division B Part 1 - Acceptable Solutions
AI summary This section outlines acceptable solutions under Division B Part 1, likely related to regulatory compliance, technical standards, and environmental assessments. It may involve utility operations, infrastructure planning, and adherence to provincial and national building codes.
10.3.4.8. Interior Lighting - (1) The interior lighting power allowance for a building is the sum of the lighting power allowances, in watts, of all building area types and shall include all permanently installed general, task and furnitur...
AI summary This section outlines the calculation of interior lighting power allowances for buildings, specifying that the allowance is determined by multiplying the lighting power density from a table by the gross lighted areas of the building.
6.1.6 Maintenance Loads Structures and foundations supporting heat exchangers subject to bundle pulling shall be designed for a longitudinal force applied at the centroid of the tube bundle. This force shall be equal to 100% of the bundle...
AI summary This section discusses the design requirements for maintenance loads related to heat exchanger structures and foundations. It specifies longitudinal and shear forces based on bundle weight and provides guidelines for vehicle loads in accordance with CSA S6.
3.0 HEAT BALANCES Thermodynamic cycle performance and heat balances have been calculated using Thermoflex 17 software. The gas turbine performance data includes 2% output and 2% heat rate degradation, which represents the degradation as of...
AI summary Thermodynamic cycle performance and heat balances were calculated using Thermoflex 17 software. Gas turbine performance data includes 2% output and 2% heat rate degradation based on NSPI measurements from 2007. Steam cycle data is assumed to be new and clean. Degradation factors should be applied in economic analyses.
3.1 Part Load Performance Data and Heat Balances with One Gas Turbine Operating A performance summary with one gas turbine in operation at loads between 30% and 100% is provided in Table 1 hereafter. A curve showing Net Plant Heat Rate ver...
AI summary This section discusses part load performance data and heat balances for a single gas turbine operating between 30% and 100% load. It references Table 1, Figure 1, and Appendix B for detailed information on net plant heat rate, output, and annual average ambient conditions.
NOVA SCOTIA POWER INC. Project: 1552 TUFTS COVE 6 WASTE HEAT RECOVERY PROJECT Date: 5-Mar-08 TABLE 2 HEAT BALANCE SUMMARY - 2 GTS AT PART LOAD Issue: 01 GT Load 100% 90% 80% 77% 76% Ambient Dry Bulb Temp. Ambient Relative Humidity °F % 45...
AI summary The document provides a detailed heat balance summary for the Tufts Cove 6 Waste Heat Recovery Project at various gas turbine (GT) load levels. It includes data on electrical output, fuel consumption, efficiency, and steam turbine parameters. The information is presented in a tabular format for different GT load percentages, highlighting performance metrics under varying operational conditions.
1. MHI calculation results are as follows: Item Unit Case5 Winter 690°F Case6 Summer 690°F Case7 Winter 725°F Case8 Summer 725°F Turbine Inlet Steam Pressure psia 631.0 631.0 631.0 631.0 Turbine Inlet Steam Temperature °F 688.4 688.4 725.0...
AI summary The document presents MHI calculation results for different turbine cases, showing steam pressure, temperature, flow, and turbine output. It notes that the steam turbine outputs are now close to MHI's recommended minimum load, which is acceptable at this stage.