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DECS-200N-C1 BASLER ELECTRIC

$222.00

‌HMI Navigation Path:‌

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MAIN MENU > SYSTEM CONFIG > COMMUNICATION

• MODBUS RTU: Address 01, Baud 19.2k, Even parity

• IEC 61850: Import SCL file EX2100_V2.cid

ALARM CONFIG: Priority 1: Field ground (64F) - Auto trip Priority 2: Thyristor overtemperature - Alarm only

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Description

DECS-200N-C1 Excitation System Commissioning Procedure‌

‌Pre-Energization Checks‌

‌Hazard Prevention:‌

Isolate generator terminals (rack-out circuit breaker)
Ground field windings with 35mm² cable
Verify dielectric strength (5kV AC for 1min @ bushings)

‌Validation Steps:‌

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1. CTR/VTR Settings:

   • Field CT: 5000/5A (Verify burden ≤0.1VA)

   • PT Ratio: 13.8kV/120V



2. Insulation Resistance:

   - Control circuits: >100MΩ @ 500VDC

   - Power circuits: >500MΩ @ 2.5kVDC



3. Ground Continuity: <0.1Ω (terminal X5-17 to station grid)

‌Hardware Configuration‌

‌DIP Switch Settings (Front Panel):‌

‌SW Group‌	Position	Function
SW1	1-ON	Auto Voltage Reg
	4-ON	CANbus enabled
SW2	2-OFF	Breaker sync disable

‌Terminal Wiring:‌

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X3-1  →  Generator PT (Ph-A)   [2.5mm² shielded]

X3-11 →  Field +ve             [35mm², 90°C rated]

X5-9  →  Emergency trip input  [Dry contact, 24VDC]

‌Power-Up Sequence‌

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graph LR

A[Control Power ON] --> B[Initialize HMI]

B --> C{Self-Test Result}

C -->|PASS| D[Enable DC supply]

C -->|FAIL| E[Diagnostic Code 0xE7]

D --> F[Pre-charge resistor bypass]

F --> G[Field breaker close]

‌Critical Timings:‌

DC link pre-charge: 3.2s ±0.5s
HMI boot time: ≤15s

‌Calibration Procedure‌

‌1. Voltage Matching‌

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a. Set DECS-200N to MANUAL mode



b. Adjust FVR (Field Voltage Reg) until:

   Gen Volts = Grid Volts ± 0.25%



c. Engage sync check relay (59G)

‌2. PID Tuning (Auto Mode)‌

‌Parameter‌	Default	Optimization Range
Kp	2.5	1.8-3.2
Ti	4.0s	3.5-8.0s
Stab. Gain	0.35	0.2-0.5

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*Note: Use step response test (2% ΔVref) to achieve:

  - Rise time <0.5s

  - Overshoot ≤5%*