Water and wastewater facilities must operate reliably and safely, which is why Bender has developed solutions suitable for practically any resistance grounded electrical system within the facility. Modern designs often employ variable frequency drives (VFDs), also referred to as adjustable speed drives (ASDs), that require special consideration to be adequately protected. These AC/DC loads are best protected by devices capable of monitoring their entire operating frequency range to capture AC and DC ground faults. Bender‘s RCM and NGRM products provide this advanced level of protection and can be included in turnkey HRG packages. Their ability to detect shallow fault current allows pre-warning of ground faults that can cause significant damage to capital equipment.
Modern systems often employ VFDs or ASDs that require special consideration to be adequately protected. These types of AC/DC loads are best protected by devices capable of monitoring all of the drive and load components across their entire operating frequency range to capture both AC and DC ground faults. Bender RCM and NGRM products provide this advanced level of protection and can be included in turnkey HRG packages. Transformer-isolated medium-voltage ASDs, and their driven loads, are ungrounded. Bender insulation monitors, such as the iso685 series, should be used to detect ground faults on these critical and expensive systems. Their ability to detect very low fault currents allows pre-warning of ground faults before they cause significant damage to capital equipment.
Bender solutions continue to offer priceless value to the end user by providing state-of-the-art technology and project support to ensure critical facilities can operate efficiently with reliable ground fault protection systems.
Continuity of Service
Control fault current and have alarm-only operation on the first ground-fault.
Ease of Retrofit
Ability to easily and cost-effectively upgrade older equipment.
Reduces potential for shock and arc flash hazard. Arc flash is reduced by as much as 95%. Automatic fault location at feeders and loads can eliminate the need to open doors on energized equipment during troubleshooting.
Reduces Maintenance Costs
Accuracy of detection leads to a decrease in maintenance costs and the need for human interaction with the system.
|Technical Information||2020 Guidelines (US)||5.6 MB||EN||2020/01/28 14:33:1428.01.2020 14:33:14|
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