ComAp InteliGen 1000 SC Generator Synchronizer and Load Sharing Controller

A paralleling controller driven by panel switches or a system PLC

The ComAp InteliGen 1000 SC is a paralleling controller for synchronisation as well as load and VAr control. It is intended for applications where the system is driven either from panel switches or from an upper-level device such as a plant PLC, and it can also read engine-specific values from an engine ECU and provide generator protections.

The SC variant concentrates on synchronising, load sharing and protection, which the datasheet says keeps engineering and commissioning times down. Control from the upper level can be via binary signals or Modbus RTU/TCP. CAN FD lets up to 64 gen-set, mains and tie controllers cooperate, and the AC accuracy supports primary frequency control and demand-response projects.

Technical specifications

Extended features and accessories

Many CAN modules are available, including Inteli AIN8, AIO9/1, IO8/8, IGS-PTM and AOUT8, plus InteliGateway 100, 101, 300 and 301 gateways.

What the controller protects against

The ANSI list includes reverse power (32R), excitation loss (40), undercurrent, current and voltage unbalance, overcurrent and earth fault, temperature monitoring and over and under frequency. Multi-ECU support communicates with more than one J1939 device, such as engine ECUs and digital AVRs, and a CAN bus logger helps troubleshooting. Other listed features are a large built-in PLC interpreter, user-defined protections, inter-controller communication and AirGate 2.0 and WebSupervisor monitoring.

Choosing the SC version

Order the SC when a PLC or switch panel handles start and stop and the controller must only synchronise and share load. If the controller itself must run the complete gen-set sequence, the standard ComAp InteliGen 1000 gen-set controller is the model. Check CAN bus redundancy and hot-swap needs, which require a software key, and confirm the voltage regulator and governor interface type (voltage, current or PWM) with the AVR and governor makers before wiring.

How the ComAp InteliGen 1000 SC IG31000SCBB works

The controller reads the generator and the bus or mains voltage. Before the generator breaker closes, it adjusts the engine speed and the generator voltage until the two sides match in frequency, voltage and phase angle. After the breaker closes, it shares real and reactive power with the other sets. An upper-level PLC can give it commands over binary signals or Modbus. It also guards the generator with its protection functions.

Where the IG31000SCBB is used

• Parallel gen-set plants
• Sets that run alongside the mains
• Plants with a supervisory PLC
• Demand-response projects
• Systems with up to 64 controllers on CAN FD

Selection checklist for the IG31000SCBB

• Role: synchronizer and load sharing
• Supply of 8 to 36 V DC
• Generator and mains voltage level
• Current input of 1 A or 5 A
• Binary and analogue channel count
• Governor and regulator output type
• Communication links needed
• Display, ECU link and accessories

Installation, commissioning and maintenance notes for the IG31000SCBB

Mount the controller in the panel and fuse the supply at 8 A. Wire the voltage and current inputs with the correct phase order. Connect the governor and regulator outputs and set their type. Set up the CAN FD link to the other controllers. Test the synchronising with the breaker open before closing on the bus.

Requesting a quotation for the ComAp IG31000SCBB

Please send the order code, the accessories needed and the quantity. Seven Star LLC serves industrial customers in Oman and the GCC and replies with a quotation based on the information provided.

IG31000SCBB voltage inputs

The controller has three-phase generator and three-phase mains voltage inputs.

IG31000SCBB frequency range

The range is 33 to 67 Hz with accuracy of 0.002 percent.

IG31000SCBB inputs and outputs

There are 12 binary inputs, 12 binary outputs and 4 analogue inputs.

IG31000SCBB communications

The ports are USB, four CAN, three Ethernet and RS485. Protocols include Modbus, SNMP and J1939.

IG31000SCBB temperature range

Operation runs from minus 40 to plus 70 degrees C.

IG31000SCBB power supply

The supply is 8 to 36 V DC at 16 W.

IG31000SCBB accessories

Accessories include a Modbus client licence, hot swap, the ECON 4 governor, an InteliVision display and a door bracket.

Controller records for the IG31000SCBB

Record the firmware version, the saved archive and the synchronising settings.

Choosing the right IG31000SCBB accessories

Choose the display and CAN modules to match the number of sets and the I/O needed on site.

Documents and quotation

Seven Star LLC supplies ComAp paralleling controllers on request. The datasheet is attached. Send the number of sets, governor and AVR interface types, engine ECU and the system PLC protocol. See Diesel Generator Spare Parts for related components. Confirm firmware and extended-feature keys before ordering.

Standards in the datasheet include EN IEC 61000-6-2, EN IEC 61000-6-4 and EN IEC 61010-1. Humidity is rated to 95 percent non-condensing, vibration is 5-25 Hz at 1.6 mm and 25-100 Hz at 4 g, and the voltage inputs are rated for measurement category CAT III. InteliGateway units can link Modbus devices to monitoring systems.