Engine ignition monitoring system sharpens diagnostics

摘要

Using breakdown voltage alone is ineffective in detecting and pinpointing ignition-system problems on large-bore, natural gas-fueled compressor engines, without also knowing spark-plug glow duration. This conclusion conies from a recent experiment conducted by ANR Pipeline Co. (ANR), a subsidiary of The Coastal Corp., exploiting the information it is collecting from continuous, on-line secondary ignition monitoring systems on 58 of its larger (2,700 to 12,000 hp) engines.