Appendix a: tap off box monitoring specifications, Series dpb busway installation & operation manual – GE Industrial Solutions GE Zenith Series DPB User Manual

Page 70

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62

Installation & Operation Manual, GE Series DPB Busway
March 25, 2013, Rev 0

GE Confidential

Series DPB Busway Installation & Operation Manual

APPENDIX A: TAP OFF BOX MONITORING SPECIFICATIONS

BCMS Basic = Current Only
BCMS Plus = Current + Voltage

MONITORED PARAMETERS

PARAMETER

DESCRIPTION

RESOLUTION

NOTES

BCMS

BASIC

BCMS

PLUS

Current (A):

A, B, C (circuit breaker 1);
A, B, C (circuit breaker 2)

1

0.1 A

Input source current

a

a

Maximum Current (A):

A, B, C (circuit breaker 1);
A, B, C (circuit breaker 2)

1

0.1 A

Maximum input current detected

a

a

Minimum Current (A):

A, B, C (circuit breaker 1);
A, B, C (circuit breaker 2)

1

0.1 A

Minimum input current detected

a

a

Percent Load (% Max):

A, B, C (circuit breaker 1);
A, B, C (circuit breaker 2)

1

0.1%

Requires personalization of circuit
breaker current rating

a

a

Voltage (VAC):

A, B, C Phase (L-L, L-N)

0.1 VAC

Input source voltage

a

Crest Factor
(Peak A RMS):

A, B, C (circuit breaker 1);
A, B, C (circuit breaker 2)

1

0.001 A

Peak waveform current divided by
RMS current of the waveform

a

Real Power (kW):

A, B, C (circuit breaker 1);
A, B, C (circuit breaker 2)

1

0.01 kW

kW (real power) per circuit breaker

a

Apparent Power (kVA):

A, B, C (circuit breaker 1);
A, B, C (circuit breaker 2)

1

0.01 kVA

kVA (apparent power) per circuit
breaker

a

Reactive Power: (kVAR):

A, B, C (circuit breaker 1);
A, B, C (circuit breaker 2)

1

0.01 kVAR

kVAR (reactive power) per circuit
breaker

a

Power Factor (PF):

A, B, C (circuit breaker 1);
A, B, C (circuit breaker 2)

1

0.01 PF

Load Power Factor per circuit
breaker

a

Energy Usage (kWh):

A, B, C (circuit breaker 1);
A, B, C (circuit breaker 2)

1

1 kW

Energy consumption per circuit
breaker

a

Total Harmonic
Distortion (%THD):

A, B, C Phase

0.1%

Total Harmonic Distortion (load) per
phase measured to 3

rd

, 5

th

, 7

th

, 9

th

,

11

th

, 13

th

harmonics.

a

Frequency (Hz):

A phase (40 – 70 Hz)

0.1 Hz

Source frequency as measured from
phase A.

a

Circuit Temperature
Range (°C):

Circuit Board Temperature
(Min. / Max.)

1°C

Utilizes on board sensor

a

Bus Junction
Temperature Range
(°C):

Temperature Sensors Min. /
Max. (1, 2, 3, 4)

1°C

Utilizes remote sensors located on
bus junction; may not be present in
all cases.

a

1

Neutral and Ground currents may be monitored in addition to phase currents; see note on neutral and ground current monitoring

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