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PCD237A101 3BHE028915R0101 ABB excitation system module

Name: PCD237A101 3BHE028915R0101 ABB excitation system module
Brand: ABB
SKU: 1665
Availability: InStock

$235.00

he ABB PCD237A101 3BHE028915R0101 is a power control device, specifically an excitation unit controller, used in AC generator excitation systems. It’s a high-performance and stable component within modular digital exciters. The device features two independent digital controllers, each with its own microprocessor and power supply, allowing for control of an excitation transformer.

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Description

ABB PCD237A101 (3BHE028915R0101) Digital Protection Relay

1. Safety Precautions

HAZARD CLASSIFICATION (per IEC 61810-1)

Symbol	Meaning	Required Action
	High-voltage hazard	De-energize before servicing
	Functional safety warning	Verify settings with PCM600 software

Personal Protective Equipment:

Category III arc-flash suit (40 cal/cm²)
1000V insulated tools

2. Commissioning Procedure

Step 1: Pre-energization Checks

1.1 Verify insulation resistance: • Primary circuits: ≥100MΩ @ 2.5kV DC (IEC 60255-5) • Secondary circuits: ≥10MΩ @ 500V DC 1.2 Apply test voltage gradually: 25% → 50% → 75% → 100% of rated voltage (110V DC/230V AC) Hold each step for 5 minutes

Step 2: Function Verification

Test	Method	Pass Criteria
Overcurrent (51)	Inject 1.05× pickup current	Trip time ±3% of setting
Earth Fault (67N)	Apply 30° phase-angle shifted current	Directional decision ≤20ms