Turbogenerator

Under construction.

Performance

The following performance calculations are available on station instances:

Calculation Reference Output Tags
Efficiency ASME PTC 6, S 5.10 .efficiency.gross.heatrate
Heat Rate ASME PTC 6, S 5.7 .efficiency.gross.use
Heat Rate ASME PTC 6, S 5.7 .efficiency.gross.percentage

Calculations

Net Heat Input

Net Heat input is calculated as

$$net \ heat \ input = Q_{MS} - Q_{FW} + Q_{HRH} - Q_{CRH} - Q_{RHS}$$

Where:

  • $Q_{MS}$ = Heat Flow from Main Steam (kW) (blr.ms_1.energyFlow.use + blr.ms_r.energyFlow.use)
  • $Q_{FW}$ = Heat Flow from Feedwater (kW) (blr.fw_1.energyFlow.use + blr.fw_r.energyFlow.use)
  • $Q_{HRH}$ = Heat Flow to Hot Reheat (kW) (blr.hrh_1.energyFlow.use + blr.hrh_r.energyFlow.use)
  • $Q_{CRH}$ = Heat Flow from Cold Reheat (kW) (blr.crh_1.energyFlow.use + blr.crh_r.energyFlow.use)
  • $Q_{RHS}$ = Heat Flow from Reheat Sprays (kW) blr.rhs.energyFlow.use

In CAS Terms:

$$ob.netheatinput.use =$$

$$\qquad ob.tcv.c1in.energyFlow.use - ob.hp6.c1out.energyFlow.use +$$

$$\qquad ob.n2Mixer.c1in.energyFlow.use - ob.s6.c1out.energyFlow.use - ob.s7.c2out.energyFlow.use$$

Effectiveness

$$e = \frac{\Delta h}{\Delta h + T_o \Delta s}$$

Heat Rate

$$HR = \frac{net \ heat \ to \ cycle}{output}$$

Efficiency

$$\eta = \frac{energy \ flow \ out}{net \ heat \ input}$$

In CAS Terms:

$$ob.efficiency.gross.use = ob.gen.c2out.energyFlow.use / ob.netheatinput.use$$

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