Basler Electric V3 Voltage Matching Module
  • Basler_Electric_V3_View1_201573101122
  • Basler_Electric_V3_View2_201573101122
  • Basler_Electric_V3_View3_201573101122

Basler Electric V3 Voltage Matching Module

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Stock # 64832-2
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Basler Electric BE1-25A Automatic Synchronizer

  • Multi-Generator Operation
  • Smooth Synchronizing with Minimum System Impact
  • Real-Time Adaptive Proportional Speed Control Algorithm
  • Highly Flexible Design
  • Control Multiple Systems



The BE1-25A Automatic Synchronizer is a microprocessor based system including features to bring any generator on line in a minimum time, from small diesel units to large difficult hydros. It may be configured for simple manual control systems or equipped for complete automatic control of generators. The BE1-25A initiates closure of the generator circuit breaker when voltage magnitude, slip frequency, and phase difference are within preset limits. This capability minimizes system transients that can result from differences in speed, voltage level, or phase angle at the instant of the breaker closure - transients that can damage the breaker and generating system. The BE1-25A has the ability to operate over a wide range of slip frequencies. This allows it to be used on virtually any type of prime mover, from very slow-responding, high inertia, hydro-turbines to fast-responding gas turbines and diesel engines.

A2 Voltage Acceptance Module

The A2 Voltage Acceptance Module can use as many as three voltage parameters to add constraints to the issuance of breaker command signals. This option is a prerequisite of, and a controller of, any voltage matching option that may be present. The upper Limit control establishes a maximum bus voltage. No closure is to be attempted when the bus voltage is above the upper limit. The lower limit control establishes a minimum bus voltage. No closure is to be attempted when the bus voltage is below the lower limit. The voltage difference control establishes the maximum acceptable voltage difference between the two sides of the circuit breaker (generator voltage minus bus voltage). No closure is to be attempted when the circuit breaker voltage difference is greater than the set limit. The voltage difference is continuously variable over the range of 1 to 10 Vac. An LED to the left of each control lights whenever the associated parameter is beyond the range set by the control. As a result, the breaker closure is inhibited.

D1 Dead Bus Module

When the external dead bus contact is closed, module D1 determines when the bus is dead, and acts upon this determination (if the breaker is detected open) by initiating a close breaker signal. This signal is terminated as soon as the sync acceptor recognizes the breaker as having closed, or when 100 milliseconds has passed (whichever occurs first). The Volts control defines a dead bus condition by establishing a voltage threshold between 10 and 40 Vac. The Dead Bus indicator is an LED that lights whenever the bus voltage is below the control setting.

Product Family: BE1-25A, BE1 25A, BE125A, BE 125A, BE-125A

Important Notice: Please note that any additional items included with this equipment such as accessories, manuals, cables, calibration data, software, etc. are specifically listed in the above stock item description and/or displayed in the photos of the equipment. Please contact one of our Customer Support Specialists if you have any questions about what is included with this equipment or if you require any additional information.

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Voltage SensingThe two sensing inputs–for the generator and the bus voltage–are designed to operate in the range of 70-150 Vac, 50/60 Hz. Burden is less than 6.0 VA for the generator input and less than 2.0 VA for the bus input
Power SupplyPower for the internal circuitry requires an external source rated at 90-132 Vac, 50/60 Hz (single phase), or 70-150 Vdc. Burden: Less than 20.0 VA.
Breaker Closing ContactMake and carry 30 A at 250 Vdc for 1 second, 7 A continuously, and break 0.3 A at 250 Vdc. L/R = 0.04.
Voltage, Frequency (Speed) Correction and Lockout ContactsMake and break 5 A at 250 Vac (80%PF), 5 A at 28 Vdc (resistive) and 0.5 A at 120 Vdc (resistive).
Relay Fail ContactMake and break 5 A at 250 Vac (80% PF), 5 A at 28 Vdc (resistive) and 0.5 A at 120 Vdc (resistive).
Surge Withstand CapabilityThe unit has been qualified to ANSI/IEEE C37.90.1-1989 Standard Surge Withstand Capability Tests; (Oscillatory and Fast Transient), IEC 255-5 Impulse Test and Dielectric Test.
Radio Frequency InterferenceMaintains proper operation when tested for interference in accordance with IEC C37.90-1989, Trial-Use Standard Withstand Capability of Relay Systems to Radiated Electromagnetic Interfence from Transceivers.

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Basler Electric BE1-25A Automatic Synchronizer
Basler Electric BE1-25A Automatic Synchronizer
Basler Electric BE1-25A Automatic Synchronizer
Basler Electric BE1-25A Automatic Synchronizer

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