DECS-250 Digital Excitation Control System
The DECS-250 is a comprehensive digital excitation control system designed for precise voltage, VAR, and power factor regulation, as well as superior system response and generator protection. It is a compact, flexible, and cost-effective solution that offers extensive functionality, including an optional power system stabilizer to help meet stringent grid code compliance requirements.
Key Features
- Complete Digital Excitation Control: Provides accurate control of generator voltage, VAR, and power factor.
- Generator Protection: Ensures enhanced generator reliability with advanced protection features.
- Flexible and Cost-effective: Designed to deliver extensive functionality in a compact, user-friendly package.
- Optional Power System Stabilizer: Meets stringent grid code compliance requirements.
Specifications
Power Supply
-
Nominal Input Voltage:
- Style LXXXXXX: 16 to 60 Vdc
- Style CXXXXXX: 90 to 150 Vdc, 82 to 132 Vac
- Burden: 50 VA or 30 W
AC Operating Power and DC Output Power
-
32 Vdc:
- Nominal Input Voltage: 60 Vac
- Full Load Continuous Voltage: 32 Vdc
- Minimum Field Resistance: 2.13 Ω
-
63 Vdc:
- Nominal Input Voltage: 120 Vac
- Full Load Continuous Voltage: 63 Vdc
- Minimum Field Resistance: 4.2 Ω
-
125 Vdc:
- Nominal Input Voltage: 240 Vac
- Full Load Continuous Voltage: 125 Vdc
- Minimum Field Resistance: 8.33 Ω
-
All Styles:
- Power Input Configuration: 1-phase and 3-phase
- Full Load Continuous Current: 15 Adc
- 10-Second Forcing: 30 Adc
- Power Input Frequency: 50 to 500 Hz
Generator Current Sensing
- Configuration: 1-phase or 3-phase with separate input for cross-current compensation
- Current Ranges: 1 Aac or 5 Aac nominal
- Frequency: 50/60 Hz Nominal
-
Burden:
- 1 Aac sensing: < 5 VA
- 5 Aac sensing: < 10 VA
Generator and Bus Voltage Sensing
- Configuration: 1-phase or 3-phase
-
Voltage Ranges:
- 100/120 Vac ±10%
- 200/240 Vac ±10%
- 400/480 Vac ±10%
- 600 Vac ±10%
- Frequency: 50/60 Hz Nominal
- Burden: < 1 VA per phase
Inputs and Outputs
- Contact Inputs: 16 programmable dry contact inputs
- Auxiliary Input: 4 to 20 mA or ±10 Vdc input
-
Output Contacts: 11 programmable form A contacts and one form C for watchdog function
- Rating: Make, break, and carry 7 A resistive @ 24/48/125 Vdc (120/240 Vac)
Communication
- USB: USB type B
- RS-232: RS-232, 9-pin sub D for optional external autotracking
- RS-485: Modbus™ RTU protocol
- CAN Bus: One port for ECU communications, one port for expansion modules
-
Ethernet:
- 100baseT (standard)
- 100baseFX (optional)
- Modbus TCP protocol for unit-to-unit communication
- Expansion Port: Optional Profibus protocol
Environmental
- Operating Temperature: -40°C to 70°C (-40°F to 158°F)
- Storage Temperature: -40°C to 85°C (-40°F to 185°F)
- Salt Fog: MIL-STD 810E method 509.3
- Shock: 15 G in three perpendicular planes
- Vibration: 5 G from 18 to 2,000 Hz in three perpendicular planes
Physical
- Weight: 14.6 lb (6.62 kg)
-
Dimensions:
- Width: 6.26 inches (159.0 mm)
- Height: 12.00 inches (304.8 mm)
- Depth: 8.62 inches (219.0 mm)
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
| Q: What Payment Methods Do We Accept? |
| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
| Q: What Shipping Methods Do We Use? |
| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
| Q: How Do We Package the Goods? |
| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
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