Page 106 - Decision Making Applications in Modern Power Systems

72 Decision Making Applications in Modern Power Systems

TABLE 3.1 Failure and repair rates of various constituent components
of the phasor measurement unit.
Component λ (failures/year) μ (repairs/year)
M hw λ hw 5 0.2368 μ hw 5 365
M sw λ sw 5 0.0657 μ sw 5 1460
λ 2a 5 λ 2b 5 0.4155 μ 2a 5 μ 2b 5 673.85
M 2a and M 2b
M 3a and M 3b λ 3a 5 λ 3b 5 0.1923 μ 3a 5 μ 3b 5 547.5
λ 4a 5 λ 4b 5 0.4155 μ 4a 5 μ 4b 5 673.85
M 4a and M 4b
M 5a and M 5b λ 5a 5 λ 5b 5 0.1383 μ 5a 5 μ 5b 5 438
M 7a and M 7b λ 7a 5 λ 7b 5 0.2751 μ 7a 5 μ 7b 5 365
M 6a λ 6a 5 0.7727 μ 6a 5 365
M CO λ CO 5 0.0188 μ CO5 312.88

C PMU C 3 C PDC
C PMU1 C 3a C PDC1
C 2 C 2
C PMU2 C 3b C PDC2
FIGURE 3.8 Modeling of a single-repeater optical fiber communication network for PMUs.
PMU, Phasor measurement unit.

TABLE 3.2 Failure and repair rates of various constituent components
of the phasor measurement unit communication network.

Component λ (failures/year) μ (repairs/year)
C PMU1 and C PMU2 λ PMU1 5 λ PMU2 5 0.01752 μ PMU1 5 μ PMU2 5 4380
λ PDC1 5 λ PDC2 5 0.01752 μ PDC1 5 μ PDC2 5 4380
C PDC1 and C PDC2
C 2a and C 2b (per 100 km) λ 2c 5 0.00438 μ 2c 5 104.244
λ 3ca 5 λ 3cb 5 0.03504 μ 3ca 5 μ 3cb 5 4380
C 3a and C 3b