Nidec LEROY-SOMER LSA 52.2 MHV User Manual

4.3.3 Generator start up check list
TYPE SERIAL N°
V
oltage V Frequency Hz Speed rpm
O
utput Power kVA Power Factor
STATIC CHECKS
Mechanical checks
• Direction of Rotation (refer to Section1) Clock Wise or Anti-clock Wise
• Mechanical Fixing of the generator (refer to chapter 4.2) ________________________________________
• Coupling - Alignment to the engine (
refer to chapter 3.3) ________________________________________
• Cooling : Coolant flow (
refer to Section1 ; chapter 4.2.0.2 & 4.2.3) _________________________________
• Air inlet and exhaust free ___________________________________________________
• Bearing lubrication : Sleeve Bearings Lubrication (flow ; level ; oil type) (refer to Section1 & chapter 4.2.2) __
Or Anti-friction Bearings Greasing (
refer to Section1 & chapter 4.2.1)
Temperature sensors (correct readings) (
refer to Section1 & chapter 2.5.1 & 2.6.2) __
• Space Heaters (
refer to Section1) ___________________________________________________
Type of AVR : 1F 3F
Electrical connections between alternator, AVR and main panel : (refer to Section 4 & drawing Section 5)
• Output power cables connections following phase order (refer to chapter 3.4.1) ______________________
• Terminal box connections ________________________________________
• AVR detection voltage ________________________________________
• Supply power and excitation terminals ________________________________________
• Network detection (3F only) ________________________________________
• Command signals (equalisation and synchronisation for 3F) ________________________________
• Excitation polarity and booster ________________________________________
• Protective devices : (Bearing oil level fault detectors; Temperature sensors, etc) ______________________
• External accessories (e.g.. remote potentiometer) ________________________________________
ALL CURRENT TRANSFORMERS MUST BE CONNECTED
Windings insulation
Winding temp:…….°C
Voltage
1 minute
(MΩ)
10 minutes
(MΩ)
Polarisation
index
Static parts
3 Phases / Ground
"U" /Ground
"V" /Ground
"W" /Ground
"U" / "V"
"U" / "W"
Exciter field / Ground
Rotatin
g parts
Rotor / Ground
≤ 500 V
Exciter armature / Ground
≤ 500 V
Rotating resistances
≤ 500 V
Rotating diodes
≤ 500 V
All works must be carried out by a qualified and authorized person.
E
lectric Power Generation
Installation and maintenance
5654 en - 2017.10 / a
LSA 52.2 MHV
Industrial Range Alternators - 4 pole
19

Nidec LEROY-SOMER LSA 52.2 MHV Specifications

General

Brand	Nidec
Model	LEROY-SOMER LSA 52.2 MHV
Category	Portable Generator
Language	English