AUTOMATIC CO-GENERATION MANAGEMENT SYSTEM KSQ304E2
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AUTOMATIC CO-GENERATION MANAGEMENT SYSTEM KSQ304E2 - 1

AUTOMATIC CO-GENERATION MANAGEMENT SYSTEM KSQ304E2 • All-in-one precision Frequency, Synchronising and Load Controller for single generator system • Load control of generator parallelled to mains • Fast precision "Spot-on" Synchronising of generator • Frequency control • Loading and offloading slope control, peak shaving, fixed load export, load limiting control, breaker trip and automatic reset facility • Generator speed reference (analogue output) • System status output Specifications Monitored Voltage Input: Voltage Tolerance: Contact Rating: Adjustments: Frequency difference: Volt differential: CB closing time: Frequency reference: Pulse rate: Pulse width: Load trim: Analogue input: *Analogue output: + 0,1-2Hz +/- 2-15% 30-300mS 48-62Hz 10-60 pr min 0,1 to 1,6secs 0-110% kW nom. 0-10mADC = 0-110% kW -10/0/+10mADC = -5/0/+5Hz difference -10/0/+10VDC (same Hz range) The digitally controlled KSQ304E2 is an automatic one-generator co-generation or peak-shaving management system, which can be used with any make of GenSet starter together with Megacon's range of standard protective guards and controllers. User settable limits on unit rear for frequency sync. difference, voltage differential, frequency reference, circuit breaker closing time, fuel regulator pulse width and pulse rate, load trim reference when parallelled to mains. Note that the kW load signal input needs to be calibrated to be 0-110% of generator nominal load. Applications Synchronising modes To adapt the functionality of KSQ304E2 to any specific application, the direction of approach to synchronising (LEAD, LAG or NEUTRAL) is factory set as required: *Optional output: LEAD (incomer faster than bus), LAG (incomer slower than bus), NEUTRAL (bi-directional) *Only active when Sync. mode is selected Temperature: Weight: Front protection: LEAD is the standard mode. The synchronising relay will then close when the frequency of the incomer is slightly HIGHER than the bus frequency. This avoids a non-stabilised incomer entering reverse power condition after synchronisation. Megacon is the inventor of the original, now industry standard “rotating” LED display, and a trendsetter in modern synchronisation control. The rotary LED display indicates the incomer's speed relative to the bus, and is lit during frequency mode if the difference between the systems does not exceeds 5Hz. Dimensions During all modes the UP/DOWN arrows indicate the pulses from the raise/lower speed relays. Mounting Bracket 11 12 13 14 15 16 17 18 19 20 Speed control The raise/lower relays pulse the fuel regulator or an interfacing MXR845x electronic potentiometer. Pulse width and rate can be adjusted to suit the dynamic response of any fuel regulator. The speed control has a P/I (proportional/integral) characteristic with a dynamically controlled dead zone. Mounting Bracket Alternatively the linear analogue -10/0/+10mA output signal can be used as speed reference to a generator controller, with polarity and amplitude proportional to frequency difference between the two systems when synchronising mode is selected. Unit meets IEC60092-504 and relevant environmental and EMC tests specified in IEC60068/60092 and IEC61000/60533 respectively, to comply with Classification Societies requirements. System status: KSQ304E2 is fitted with a system status relay. As standard the unit is powered from generator side (terminal 3 & 4), when power is ok and unit is working correctly the relay activates. It will release on alarm or when unit is not powered. Separate auxiliary supply is needed for continuously system status. Normal operation Alarm condition/unpowered : Closed contact : Open contact Norway Denmark United Kingdom www.megacon.com ELECTRONIC CONTROL AND INSTRUMENTATION Page: 1 of 2 REF: Datasheet.KSQ304E2 - REV: 1.05/03.2018 © All rights reserved to Megacon Megacon reserves the right to make any changes to the infor

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AUTOMATIC CO-GENERATION MANAGEMENT SYSTEM KSQ304E2 - 2

AUTOMATIC CO-GENERATION MANAGEMENT SYSTEM "Spot-on" synchronising KSQ304E2 11 1 CB close LEAD direction 12 2 Raise Breaker closing time Incomer (generator, busbar, etc.) System status 5 NOTE: Select a synchronising mode before using the unit. (see table for operation) Commen neg. + kW load input The breaker closure is initiated at “T” when the breaker coil is energised and finalises at “P”, assuring a precise “12 o'clock” synchronisation. Allowed frequency difference is adjustable between 0.1Hz to 2Hz. The angle “ ” varies according to the frequency difference between the two systems. The...

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