Power system upgrades for

1

• Power system upgrades for
• MEOC current monitoring

2
Self
Sablettes power station present situation
( high precision)
Lifting Transformer (ratio 1? 8,25)
Variable Transformer (Motor-driven shaft)
1f selection
MACC Current Monitor
IMEOC
VVariab
VEDF
400V 3f From EDF
400V 1f
VMEOC
Shore Electrode
Lower limit (258V)
MEOC
Junction Box
240V secondary (1 of 2)
MACC Current Monitor
500V secondary (1 of 16)
MACC Current Monitor (1 of 16)
Vel
JB Transformer (ratio 8,5 ? 1) x 16 (ratio 18 ?
1) x 2
Vsec240
Sea Electrode
Monitor Transformer (ratio 42,13 ? 1)
3
Self
Sablettes power station Phase (1) future (D
card monitors only)
Lifting Transformer (ratio 1? 8,25)
Variable Transformer (Motor-driven shaft)
( high precision)
1f selection
MACC Current Monitor
IMEOC
ILIFT
VVariab
VEDF
VMEOC
400V 3f From EDF
400V 1f
VLIFT
Shore Electrode
Lower limit (258V)
MEOC
Junction Box
240V secondary (1 of 2)
MACC Current Monitor
500V secondary (1 of 16)
MACC Current Monitor (1 of 16)
Vel
JB Transformer (ratio 8,5 ? 1) x 16 (ratio 18 ?
1) x 2
Vsec240
Sea Electrode
Monitor Transformer (ratio 42,13 ? 1)
4
Fibre Rack D chassis
HV cable to sea, Cable from shore electrodes
TGBT
Fixed ratio transfo
Lself
New Schroff Mini-rack
H589, W553, D600
New Rack
Safety Grille
Variable transfo
Computer
INSIDE THE POWER HUT
5
Clamp probe (ex chart rec.)
Protection (shore electrode Voltage too high? see
earlier transparency)
Spare MACC
MACC
Low res probe (4-20mA) to D card
MEOC HV current monitoring
Need to add second rail with 2 MACCs for cable
from lifter to self
6
Spare MACC
MACC
Add new MACC for powermeter
Low res probe (4-20mA) to D card
IMEOC Ilifter-self monitoring
7
SADTEM transformers 2501(5000V in ? 20 V out)
bottom of rack
8
Phase (1) Phase (2 including Zimmer Power
meter)
Safety Grille
IMEOC
3coax
3coax
IfixSELF
MACCs
MACCs
D chassis
/-15V, 5V for MACCS
Fixed Ratio (lifter)
Self
Variable Transfo
200V
3700V
3700V
Shore electrode
3coax
V1
V2
3coax
3 channel Resistive Divider (10001)
BNC V1/1000
Watt- meter
BNC V2/1000
V1
V2
SADTEM 2 (2501)
SADTEM 1 (2501)
Schroff Mini-rack
MACC card no ballast
MACC card no ballast
9
Zimmer Power Meter Rear View
3 Channels for simultaneous V, I measurements
10
3 Channel 10001 resistive dividerfor use with
Zimmer Powermeter
11
Power meter current input limitations
I probe personality

• Cant pass IMEOC through series rear panel banana
  sockets (unsafe)
• Zimmers own clip-on I probes have insufficient
  resolution
• MACC has 10001 current reduction (8A?8mA)
• Use Zimmer (V a I) inputs trick power meter
  to accept MACC as one of its own probes (using
  sub D-9 personality connector)
• Other option ask Hitec for a MACC with less
  current reduction
• and/or use biggest reasonable ballast
  resistor with MACC to generate bigger voltage
  for Zimmer (V a I) inputs