M495-102 ENERCON | Alldatasheet
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Page 1 of 7 Jun 1, 2021 | Rev (A) | Doc: DS_M495-102 M495-102 – AC/DC CONVERTER FOR PMG Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in M495-102 24VDC OUTPUT, 600W AC/DC CONVERTER FOR PERMANENT MAGNET GENERATOR (PMG) APPLICATIONS. M495-102 is a 600W non-isolated AC/DC converter . The converter has a wide input supply range of 25Vrms (line to line) to 135V rms (line to line) and requires no minimum load for normal operation. The converter has two D-type connectors for input and output. In addition to the power lines the converter has an option for RPM signal responding according to line frequency, output voltage status discrete and input voltage analog signal. The M495-102 is air forced cooled unit . The unit has small cooling fins and fairly close to each other which is the design for forced cooling air (the unit usually mounted near engine in a UAV application) and have airflow from that direction . The unit need about 12CFM for keeping operation at 60C ambient.
Page 2 of 7 Jun 1, 2021 | Rev (A) | Doc: DS_M495-102 M495-102 – AC/DC CONVERTER FOR PMG Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in THE MAIN FEATURES OF THE M8139 ARE: ➢ Non-isolated AC/DC converter ➢ Wide input supply range of 25Vrms (line to line) to 135V rms (line to line) ➢ For extended input version - Please contact factory for more details ➢ two D-type connectors for input and output ➢ 600W non-isolated AC/DC converter ➢ Built-in EMI Input & Output Filters ➢ 25Vline to line-135 Vline to line input voltage range, compatible with the rectified output of most PMG’s. ➢ Overload, Over-voltage and Over-temp protections ➢ Compatible with permanent magnet generator characteristics ➢ No external capacitors required ➢ No minimum load required ➢ Air forced cooled ➢ BIT output. ➢ Upon request, the output voltage can be factory trimmed above or below 24Vdc.
Page 3 of 7 Jun 1, 2021 | Rev (A) | Doc: DS_M495-102 M495-102 – AC/DC CONVERTER FOR PMG Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in SPECIFICATIONS: DC Input Voltage and Frequency Normal range: 25Vline to line-135 Vline to line 133Hz – 400Hz Isolation Input to Chassis: 500VDC DC Output Rating 24V / 25A Ripple Less than 500 mVp-p, typical Isolation Output to Chassis: 500VDC Current Limit & Overload SHORT CIRCUIT PROTECTION WITH AUTO-RECOVERY When output is overloaded (typical above 27A)output voltage is reduced as a result of the overload . The converter has a fold back type protection. At short conditions output current drops to about 10A in order to reduce dissipated power. Efficiency See table on page 5 Overvoltage Protection OVERVOLTAGE PROTECTION WITH AUTO-RECOVERY The power supply contains an over voltage circuit that operates a shut down to the PWM circuit.
Page 4 of 7 Jun 1, 2021 | Rev (A) | Doc: DS_M495-102 M495-102 – AC/DC CONVERTER FOR PMG Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in SPECIFICATIONS (CONT.): Control & Indication Functions and Signals VIN BIT This signal is used to indicate the input voltage of the generator. RPM This signal is used to indicate the RPM value of the generator. Under VOUT BIT The BIT output is an Open/Short type logic signal that indicates that the M495 is operating properly. The BIT signal is designed to interface with a 51 Ω pull-up resistor (on the receiving side). When no-fault detected (20<Vout<24) the signal will be short through 51Ω, when a fault is detected (15<Vout<17), the signal will be an open drain. Environment Designed to meet MIL-STD- 810F Temperature Operating: -40°C to +85°C (at the bottom of the cooling fins) Storage: -40°C to +85°C Humidity Up to 95% RH -Method 507.4 Salt-fog Method 509.4 Mechanical Shock Saw–tooth 20g peak 10 msec Vibration 0.05 g2/Hz, 50Hz-2kHz Fungus Does not support fungus growth, in accordance with the guidelines of MIL-STD-454, Requirement 4. EMI Built-in EMI Input & Output Filters Cooling Requirements The unit has small cooling fins and fairly close to each other which is the design for forced cooling air (the unit usually mounted near engine in a UAV application) and have airflow from that direction. Form factor 12mm wide, 40mm high, 90mm long, for detailed dimensions and tolerances see Drawing: M495001 Weight 580gr Connectors See Page 8
Page 5 of 7 Jun 1, 2021 | Rev (A) | Doc: DS_M495-102 M495-102 – AC/DC CONVERTER FOR PMG Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in ELECTRICAL CHARACTERISTIC Unless otherwise specified: Vin = 30 to 200 Vdc, T(amb) = -40°C to +71°C, T(base) ≤ 85°C. PARAMETER CONDITIONS MIN. TYP. MAX. Recommended Input voltage (line to line) --- 25 Vrms 135 Vrms Output voltage Iout = 25A Vin > 25V 23.0 VDC 24.0 25.0 VDC Output current 25A Efficiency Line / Load regulation Vin = 80V / max rated Pout 90% Vin = 25V to 135V Pout = 10% to max rated Pout ±500 mV Output ripple Input EMI current @ 600kHz Full load (resistive) with 0.1µF, 20MHz BW 1 Vp-p Input terminated through LISN 90 dBμA Current limit threshold Vin = 90V 15A Output turn-on time Vin > 25V 200 msec Bit OK signal Bit signal = short through 51Ω Vout ok threshold 20V 24V Bit OK fault level Bit signal = open Vout fault threshold 15V 17V Frequency at which turn-on is enabled Recommended Input voltage (line to line) Output loaded with full load equivalent resistor --- 300 Hz 400 Hz
Page 6 of 7 Jun 1, 2021 | Rev (A) | Doc: DS_M495-102 M495-102 – AC/DC CONVERTER FOR PMG Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in PIN ASSIGNMENT: Input Connector J1 Connector type: M24308/24-38 or eq. Mates with: M24308/1-2 or eq. PIN ASSIGNMENT: OUTPUT CONNECTOR J2 Connector type: M24308/23-27 or eq. Mates with: M24308/3-3 or eq. Note: All pins with identical function/designation should be connected together for optimal performance. PIN No. Function 6,7,8,14,15 Phase A 4,5,11,12,13 Phase B 1,2,3,9,10 Phase C PIN No. Description
1 VIN BIT
2 RPM
3-7,15-20 VOUT 8-13, 21-25 VOUT RTN
14 Under VOUT BIT
Page 7 of 7 Jun 1, 2021 | Rev (A) | Doc: DS_M495-102 M495-102 – AC/DC CONVERTER FOR PMG Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in OUTLINE DRAWING For detailed dimensions and tolerances see Drawing M495001 Note: Specifications are subject to change without prior notice by the manufacturer.